일반적으로 사용하는 간단한 category

A : 임신여성대상 , 대조실험 위험성없다

B : 동물실험 위험 없다. 사람 대조실험 없다.

동물실험 부작용 , 사람대조실험 위험없다

C : 동물실험 위험 , 사람 대조실험 없다

D : 태아에 위험 있으나, 약을 쓰면 얻는 이익이 큰경우

X : 그냥 쓰지마

Category A

Drugs which have been taken by a large number of pregnant women and women of childbearing age without any proven increase in the frequency of malformations or other direct or indirect harmful effects on the fetus having been observed.

Category B1

Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed.

Studies in animals have not shown evidence of an increased occurrence of fetal damage.

Category B2

Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed.

Studies in animals are inadequate or may be lacking, but available data show no evidence of an increased occurrence of fetal damage.

Category B3

Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed.

Studies in animals have shown evidence of an increased occurrence of fetal damage, the significance of which is considered uncertain in humans.

Category C

Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing, harmful effects on the human fetus or neonate without causing malformations. These effects may be reversible. Accompanying texts should be consulted for further details.

Category D

Drugs which have caused, are suspected to have caused or may be expected to cause, an increased incidence of human fetal malformations or irreversible damage. These drugs may also have adverse pharmacological effects. Accompanying texts should be consulted for further details.

Category X

Drugs which have such a high risk of causing permanent damage to the fetus that they should not be used in pregnancy or when there is a possibility of pregnancy.

임신약물
Drug Name	Category	Classification Level 1	Classification Level 2	Classification Level 3
abacavir	B3	Antimicrobials	Antiviral agents
abatacept	C	Allergy and Immune System	Immunomodifiers
abciximab	C	Cardiovascular System	Anticoagulants and thrombolytic agents
abiraterone	D	Endocrine System	Antiandrogens
acamprosate	B2	Detoxifying Agents, Antidotes
acarbose	B3	Endocrine System	Hypoglycaemic agents
acetazolamide	B3	Cardiovascular System	Diuretics	Carbonic anhydrase inhibitor
acetazolamide (ophthalmic)	B3	Ophthalmic Drugs
acetylcholine	B2	Ophthalmic Drugs
acetylcysteine	B2	Respiratory System
acetylcysteine (inhaled)	B2	Respiratory System	Expectorants and mucolytics
acetylcysteine (intravenous)	B2	Detoxifying Agents, Antidotes
aciclovir	B3	Antimicrobials	Antiviral agents
aciclovir (topical)	B3	Drugs used in Dermatology	Topical antiviral
acitretin	X	Drugs used in Dermatology	Systemic
actinomycin D (dactinomycin)	D	Antineoplastic Agents	Antibiotic cytotoxic agents
adalimumab	C	Allergy and Immune System	Immunomodifiers
adapalene	D	Drugs used in Dermatology	Topical
adefovir	B3	Antimicrobials	Antiviral agents
adenosine	B2	Cardiovascular System	Antiarrhythmics
adrenaline	A	Cardiovascular System	Adrenergic stimulants
aflibercept	D	Ophthalmic Drugs
agalsidase alfa	B2	Metabolism	Agents used for the treatment of metabolic disorders
agalsidase beta	B2	Metabolism	Agents used for the treatment of metabolic disorders
agomelatine	B1	Central Nervous System	Antidepressants
alatrofloxacin	B3	Antimicrobials	Antibiotics	Quinolones
albendazole	D	Antimicrobials	Anthelmintics
alcuronium	B2	Drugs Used in Anaesthesia	Neuromuscular blocking agents
aldesleukin	C	Antineoplastic Agents
alefacept	C	Allergy and Immune System	Immunomodifiers
alemtuzumab	B2	Antineoplastic Agents	Monoclonal antibodies
alendronate	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
alfentanil	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
alfuzosin	B2	Genitourinary System	Prostate hyperplasia
alginates/antacids	A	Alimentary System	Hyperacidity, reflux, ulcers
alglucerase	B3	Metabolism	Agents used for the treatment of metabolic disorders
alglucosidase alfa	B1	Metabolism	Agents used for the treatment of metabolic disorders
aliskiren	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
allopurinol	B2	Musculoskeletal System	Agents used in gout and hyperuricaemia
alprazolam	C	Central Nervous System	Benzodiazepines
alprenolol	C	Cardiovascular System	Beta-adrenergic blocking agents
alteplase	B1	Cardiovascular System	Fibrinolytic agents
altretamine (hexamethylmelamine)	D	Antineoplastic Agents
amantadine	B3	Central Nervous System	Antiparkinson agents
ambenonium chloride	B2	Drugs Used in Myasthenia Gravis
ambrisentan	X	Cardiovascular System	Endothelin receptor antagonist
amethocaine	B2	Ophthalmic Drugs
amifostine	B3	Antineoplastic Agents	Non-cytotoxic supportive therapy
amikacin	D	Antimicrobials	Antibiotics	Aminoglycosides
amiloride	C	Cardiovascular System	Diuretics	Potassium sparing diuretics
aminocaproic acid	B3	Cardiovascular System	Haemostatic agents
aminoglutethimide	D	Antineoplastic Agents	Hormonal antineoplastic agents
aminoglutethimide	D	Endocrine System	Hormonal agents
amiodarone	C	Cardiovascular System	Antiarrhythmics
amisulpride	C	Central Nervous System	Antipsychotic drugs
amitriptyline	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
amlodipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
ammonium chloride	A	Respiratory System	Expectorants and mucolytics
amorolfine	B3	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
amoxycillin	A	Antimicrobials	Antibiotics	Penicillins
amphotericin	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
ampicillin	A	Antimicrobials	Antibiotics	Penicillins
amprenavir	B3	Antimicrobials	Antiviral agents
amsacrine	D	Antineoplastic Agents
amylobarbitone	C	Central Nervous System	Hypnotics and sedatives	Barbiturates
anagrelide	B3	Antineoplastic Agents
anakinra	B1	Allergy and Immune System	Immunomodifiers
anastrozole	C	Antineoplastic Agents	Hormonal antineoplastic agents
ancestim	B2	Blood and Haemopoietic System	Haemopoietic agents
anecortave	B1	Ophthalmic Drugs
anidulafungin	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
anistreplase	C	Cardiovascular System	Fibrinolytic agents
antithrombin III	C	Cardiovascular System	Haemostatic agents
anti-thymocyte immunoglobulin	C	Allergy and Immune System	Immunomodifiers
apixaban	C	Cardiovascular System	Anticoagulants and thrombolytic agents
apomorphine	B3	Central Nervous System	Antiparkinson agents
apraclonidine	B3	Ophthalmic Drugs
aprepitant	B1	Antineoplastic Agents	Non-cytotoxic supportive therapy
aprotinin	B1	Cardiovascular System	Haemostatic agents
argipressin	B2	Endocrine System	Antidiuretics
aripiprazole	C	Central Nervous System	Antipsychotic drugs
arsenic trioxide	X	Antineoplastic Agents
artemether with lumefantine	D	Antimicrobials	Antimalarials
articaine	B3	Drugs Used in Anaesthesia	Local anaesthetics
asenapine	C	Central Nervous System	Antipsychotic drugs
aspirin	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)
atazanavir	B2	Antimicrobials	Antiviral agents
atenolol	C	Cardiovascular System	Beta-adrenergic blocking agents
atomoxetine	B3	Central Nervous System	CNS stimulants
atorvastatin	D	Cardiovascular System	Hypolipidaemic agents
atovaquone	B2	Antimicrobials	Antibiotics
atracurium	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
atropine	A	Alimentary System	Antispasmodics
atropine	A	Cholinergic and Anticholinergic Agents
atropine methonitrate	B2	Cholinergic and Anticholinergic Agents
auranofin	B3	Musculoskeletal System	Antirheumatoid agents
aurothioglucose	B2	Musculoskeletal System	Antirheumatoid agents
axitinib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
azacitidine	X	Antineoplastic Agents	Antimetabolites
azatadine	B2	Allergy and Immune System	Antihistamines
azathioprine	D	Allergy and Immune System	Immunomodifiers
azelaic acid	B1	Drugs used in Dermatology	Topical
azelastine	B3	Allergy and Immune System	Antihistamines
azithromycin	B1	Antimicrobials	Antibiotics	Macrolide antibiotics
azlocillin	B3	Antimicrobials	Antibiotics	Penicillins
aztreonam	B1	Antimicrobials	Antibiotics
baclofen	B3	Musculoskeletal System	Muscle relaxants
balsalazide	C	Alimentary System	Antidiarrhoeals
basiliximab	D	Allergy and Immune System	Immunomodifiers
BCG	B2	Vaccines	Live attenuated virus vaccines
becaplermin	B2	Drugs used in Dermatology	Topical
beclomethasone	B3	Endocrine System	Corticosteroids	Inhalation/intranasal
beclomethasone	B3	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
belatacept	C	Allergy and Immune System	Immunomodifiers
belimumab	C	Allergy and Immune System	Immunomodifiers
belladonna	B2	Cholinergic and Anticholinergic Agents
bendrofluazide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
benserazide	B3	Central Nervous System	Antiparkinson agents
benzathine penicillin	A	Antimicrobials	Antibiotics	Penicillins
benzhexol	B1	Central Nervous System	Antiparkinson agents
benztropine	B2	Central Nervous System	Antiparkinson agents
benzydamine (topical oropharyngeal)	B2	Mouth Preparations
benzyl benzoate	B2	Drugs used in Dermatology	Topical antiparasitics
benzylpenicillin	A	Antimicrobials	Antibiotics	Penicillins
betahistine	B2	Cardiovascular System	Vasodilators
betamethasone (systemic)	A	Endocrine System	Corticosteroids	Systemic
betamethasone (topical)	A	Endocrine System	Corticosteroids	Topical
betaxolol	C	Cardiovascular System	Beta-adrenergic blocking agents
betaxolol (ophthalmic)	C	Ophthalmic Drugs
bethanechol	B2	Cholinergic and Anticholinergic Agents
bethanechol	B2	Genitourinary System	Bladder function disorders
bevacizumab	D	Antineoplastic Agents	Monoclonal antibodies
bevantolol	C	Cardiovascular System	Beta-adrenergic blocking agents
bicalutamide	D	Antineoplastic Agents	Hormonal antineoplastic agents
bifonazole	B3	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
bimatoprost	B3	Ophthalmic Drugs
bioallethrin	B2	Drugs used in Dermatology	Topical antiparasitics
biperiden	B2	Central Nervous System	Antiparkinson agents
bisacodyl	A	Alimentary System	Laxatives
bismuth subcitrate	B2	Alimentary System	Hyperacidity, reflux, ulcers
bisoprolol	C	Cardiovascular System	Beta-adrenergic blocking agents
bivalirudin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
bleomycin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
boceprevir	B2	Antimicrobials	Antiviral agents
bortezomib	C	Antineoplastic Agents
bosentan	X	Cardiovascular System	Endothelin receptor antagonist
botulinum type A	B3	Musculoskeletal System	Muscle relaxants
bretylium tosylate	C	Cardiovascular System	Antiarrhythmics
brimonidine tartrate	B1	Ophthalmic Drugs
brinzolamide	B3	Ophthalmic Drugs
bromazepam	C	Central Nervous System	Benzodiazepines
bromhexine	A	Respiratory System	Expectorants and mucolytics
bromocriptine (injection)	B2	Endocrine System	Pituitary inhibitors
bromocriptine (oral)	A	Endocrine System	Pituitary inhibitors
brompheniramine	A	Allergy and Immune System	Antihistamines
budesonide	A	Endocrine System	Corticosteroids	Inhalation/intranasal
budesonide	A	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
budesonide (systemic)	B3	Alimentary System	Antidiarrhoeals
bumetanide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
bupivacaine	A	Drugs Used in Anaesthesia	Local anaesthetics
buprenorphine	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
bupropion	B2	Agents used in dependency states
buspirone	B1	Central Nervous System	Antianxiety agents
busulfan	D	Antineoplastic Agents	Alkylating agents
butoconazole	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
cabazitaxel	D	Antineoplastic Agents	Antimetabolites
cabergoline	B1	Endocrine System	Pituitary inhibitors
caffeine	A	Central Nervous System	CNS stimulants
calcipotriol	B1	Drugs used in Dermatology	Topical
calcitonin	B2	Endocrine System	Agents affecting calcium and bone metabolism
calcitriol	B3	Endocrine System	Agents affecting calcium and bone metabolism
calcium carbimide	A	Agents used in dependency states
camustine	D	Antineoplastic Agents	Alkylating agents
canakinumab	B3	Allergy and Immune System	Immunomodifiers
candesartan cilexetil	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
capecitabine	D	Antineoplastic Agents	Antimetabolites
captopril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
carbachol	B2	Ophthalmic Drugs
carbamazepine	D	Central Nervous System	Anticonvulsants/antiepileptics
carbetocin	C	Genitourinary System	Agents acting on the uterus
carbidopa	B3	Central Nervous System	Antiparkinson agents
carbimazole	C	Endocrine System	Antithyroid agents
carboplatin	D	Antineoplastic Agents
carboprost	D	Genitourinary System	Agents acting on the uterus
carvedilol	C	Cardiovascular System	Beta-adrenergic blocking agents
cascara	A	Alimentary System	Laxatives
caspofungin	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
cefaclor	B1	Antimicrobials	Antibiotics	Cephalosporins
cefepime	B1	Antimicrobials	Antibiotics	Cephalosporins
cefodizime	B2	Antimicrobials	Antibiotics	Cephalosporins
cefotaxime	B1	Antimicrobials	Antibiotics	Cephalosporins
cefotetan	B1	Antimicrobials	Antibiotics	Cephalosporins
cefoxitin	B1	Antimicrobials	Antibiotics	Cephalosporins
cefpirome	B2	Antimicrobials	Antibiotics	Cephalosporins
cefpodoxime	B1	Antimicrobials	Antibiotics	Cephalosporins
ceftaroline fosamil	B1	Antimicrobials	Antibiotics	Cephalosporins
ceftazidime	B1	Antimicrobials	Antibiotics	Cephalosporins
ceftriaxone	B1	Antimicrobials	Antibiotics	Cephalosporins
cefuroxime	B1	Antimicrobials	Antibiotics	Cephalosporins
celecoxib	B3	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
cephalexin	A	Antimicrobials	Antibiotics	Cephalosporins
cephalothin	A	Antimicrobials	Antibiotics	Cephalosporins
cephamandole	B1	Antimicrobials	Antibiotics	Cephalosporins
cephazolin	B1	Antimicrobials	Antibiotics	Cephalosporins
cerivastatin	D	Cardiovascular System	Hypolipidaemic agents
certolizumab	C	Allergy and immune system	Immunomodifiers
cetirizine	B2	Allergy and Immune System	Antihistamines
cetrorelix	D	Endocrine System	Pituitary inhibitors
cetuximab	D	Antineoplastic Agents	Monoclonal antibodies
cetylpyridinium	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
chenodeoxycholic acid	B3	Alimentary System	Cholelitholytics
chloral hydrate	A	Central Nervous System	Hypnotics and sedatives
chlorambucil	D	Antineoplastic Agents	Alkylating agents
chloramphenicol	A	Antimicrobials	Antibiotics
chloramphenicol (ophthalmic)	A	Ophthalmic Drugs
chlorcyclizine	B3	Allergy and Immune System	Antihistamines
chlordiazepoxide	C	Central Nervous System	Benzodiazepines
chlorhexidine	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
chlormethiazole	A	Central Nervous System	Hypnotics and sedatives
chloroquine (prophylaxis)	A	Antimicrobials	Antimalarials
chloroquine (treatment)	D	Antimicrobials	Antimalarials
chlorothiazide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
chlorpheniramine	A	Allergy and Immune System	Antihistamines
chlorpromazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
chlorpropamide	C	Endocrine System	Hypoglycaemic agents
chlorquinaldol	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
chlorthalidone	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
cholera vaccine (killed)	B2	Vaccines	Killed vaccines
cholera vaccine (live)	B2	Vaccines	Live attenuated virus vaccines
cholestyramine	B2	Cardiovascular System	Hypolipidaemic agents
choriogonadotropin alfa (rch)	B3	Endocrine System	Ovulation inducers	Gonadotrophins
ciclesonide	B3	Endocrine System	Corticosteroids	Inhalation/intranasal
ciclesonide	B3	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
ciclopirox	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
cidofovir	D	Antimicrobials	Antiviral agents
cilazapril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
cilostazol	B3	Cardiovascular System	Vasodilators
cimetidine	B1	Alimentary System	Hyperacidity, reflux, ulcers
cinacalcet	B3	Endocrine System	Agents affecting calcium and bone metabolism
cinchocaine	A	Drugs Used in Anaesthesia	Local anaesthetics
ciprofloxacin	B3	Antimicrobials	Antibiotics	Quinolones
cisapride	B1	Alimentary System	Hyperacidity, reflux, ulcers
cisatracurium besylate	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
cisplatin	D	Antineoplastic Agents
citalopram	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
cladribine	D	Antineoplastic Agents	Antimetabolites
clarithromycin	B3	Antimicrobials	Antibiotics	Macrolide antibiotics
clavulanic acid	B1	Antimicrobials	Antibiotics
clemastine	A	Allergy and Immune System	Antihistamines
clevidipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
clindamycin	A	Antimicrobials	Antibiotics
clindamycin	A	Genitourinary System	Topical vaginal medication
clioquinol	A	Antimicrobials
clobazam	C	Central Nervous System	Benzodiazepines
clodronate	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
clofarabine	D	Antineoplastic Agents	Antimetabolites
clofazimine	C	Antimicrobials	Antituberculotics and antileprotics
clofibrate	B1	Cardiovascular System	Hypolipidaemic agents
clomiphene	B3	Endocrine System	Ovulation inducers	Gonadotrophins
clomipramine	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
clonazepam	C	Central Nervous System	Anticonvulsants/antiepileptics
clonazepam	C	Central Nervous System	Benzodiazepines
clonidine	B3	Cardiovascular System	Antihypertensives
clopamide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
clopidogrel	B1	Cardiovascular System	Anticoagulants and thrombolytic agents
clorazepate	C	Central Nervous System	Benzodiazepines
clotrimazole	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
clotrimazole	A	Genitourinary System	Topical vaginal medication
cloxacillin	A	Antimicrobials	Antibiotics	Penicillins
clozapine	C	Central Nervous System	Antipsychotic drugs
codeine	A	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
codeine	A	Respiratory System	Antitussives
colaspase	D	Antineoplastic Agents	Antimetabolites
colchicine	D	Musculoskeletal System	Agents used in gout and hyperuricaemia
colestipol	B2	Cardiovascular System	Hypolipidaemic agents
colistimethate	B2	Antimicrobials	Antibiotics
colistin IV with colistimethate	B2	Antimicrobials	Antibiotics
corifollitropin alfa	B3	Endocrine System	Ovulation inducers	Gonadotrophins
corticotrophin	A	Endocrine System	Pituitary hormones
cortisone	A	Endocrine System	Corticosteroids	Systemic
crotamiton	B2	Drugs used in Dermatology	Topical antiparasitics
cyclizine	B3	Allergy and Immune System	Antihistamines
cyclopenthiazide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
cyclopentolate	B2	Ophthalmic Drugs
cyclophosphamide	D	Antineoplastic Agents	Alkylating agents
cyclosporin	C	Allergy and Immune System	Immunomodifiers
cyproheptadine	A	Allergy and Immune System	Antihistamines
cyproterone acetate (10 mg daily or higher PO)	D	Endocrine System	Antiandrogens
cyproterone acetate (2 mg daily PO)	B3	Endocrine System	Antiandrogens
cysteamine bitartate	B3	Metabolism	Agents used for the treatment of metabolic disorders
cytarabine	D	Antineoplastic Agents	Antimetabolites
dabigatran etexilate	C	Cardiovascular System	Anticoagulants and thrombolytic agents
dacarbazine	D	Antineoplastic Agents	Alkylating agents
daclizumab	C	Allergy and Immune System	Immunomodifiers
dactinomycin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
dalfopristin with quinupristin	B3	Antimicrobials	Antibiotics
dalteparin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
danaparoid	C	Cardiovascular System	Anticoagulants and thrombolytic agents
danazol	D	Endocrine System	Pituitary inhibitors
dantrolene	B2	Musculoskeletal System	Muscle relaxants
dapagliflozin	D	Endocrine System	Hypoglycaemic agents
dapoxetine	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
dapsone	B2	Antimicrobials	Antituberculotics and antileprotics
daptomycin	B1	Antimicrobials	Antibiotics
darbepoetin alfa	B3	Blood and Haemopoietic System	Haemopoietic agents
darifenacin	B3	Genitourinary System	Prostate hyperplasia
darunavir	B2	Antimicrobials	Antiviral agents
dasatinib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
daunorubicin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
deferasirox	C	Detoxifying Agents, Antidotes
deferiprone	D	Detoxifying Agents, Antidotes
degarelix	D	Antineoplastic Agents	Hormonal antineoplastic agents
delavirdine	B3	Antimicrobials	Antiviral agents
demeclocycline	D	Antimicrobials	Antibiotics	Tetracyclines
denosumab	D	Endocrine System	Agents affecting calcium and bone metabolism
desferrioxamine	B3	Detoxifying Agents, Antidotes
desflurane	B3	Drugs Used in Anaesthesia	General anaesthetics
desipramine	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
desirudin	B3	Cardiovascular System	Anticoagulants and thrombolytic agents
desloratadine	B1	Allergy and Immune System	Antihistamines
desmopressin	B2	Endocrine System	Antidiuretics
desogestrel with ethinyloestradiol	B3	Contraceptive Agents	Oral contraceptives
desonide	B3	Drugs used in Dermatology	Topical
desvenlafaxine	B2	Central Nervous System	Antidepressants
dexamethasone	A	Endocrine System	Corticosteroids	Systemic
dexamphetamine	B3	Central Nervous System	CNS stimulants
dexchlorpheniramine	A	Allergy and Immune System	Antihistamines
dexfenfluramine	B3	Metabolism	Anorectic and weight reducing agents
dexmedetomidine	B1	Central Nervous System	Hypnotics and sedatives
dextromethorphan	A	Respiratory System	Antitussives
dextromoramide	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
dextropropoxyphene	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
diazepam	C	Central Nervous System	Benzodiazepines
diazoxide	C	Cardiovascular System	Antihypertensives
diclofenac	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
dicloxacillin	B2	Antimicrobials	Antibiotics	Penicillins
dicyclomine hydrochloride	B1	Alimentary System	Laxatives
didanosine	B2	Antimicrobials	Antiviral agents
dienoestrol	X	Endocrine System	Oestrogens (see also oral contraceptives)
dienogest with ethinyloestradiol	B3	Contraceptive Agents	Oral contraceptives
dienosliterol	B1	Genitourinary System	Topical vaginal medication
diethylcarbamazine	B2	Antimicrobials	Anthelmintics
diethylpropion	B2	Metabolism	Anorectic and weight reducing agents
diflunisal	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
digoxin and other cardiac glycosides	A	Cardiovascular System	Cardiac inotropic agents
digoxin immune fab	B2	Detoxifying Agents, Antidotes
dihydrocodeine	A	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
dihydrocodeine	A	Respiratory System	Antitussives
dihydroergotamine	C	Cardiovascular System	Antimigraine preparations
dihydrotachysterol	B3	Endocrine System	Agents affecting calcium and bone metabolism
diltiazem	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
dimenhydrinate	A	Central Nervous System	Antiemetics, antinauseants
dinoprost	C	Genitourinary System	Agents acting on the uterus
dinoprostone (prostaglandin E2)	C	Genitourinary System	Agents acting on the uterus
diphenhydramine	A	Allergy and Immune System	Antihistamines
diphenhydramine	A	Central Nervous System	Antiemetics, antinauseants
diphenoxylate	C	Alimentary System	Antidiarrhoeals
diphenylamine	A	Allergy and Immune System	Antihistamines
diphenylpyraline	B2	Allergy and Immune System	Antihistamines
diphtheria vaccine	A	Vaccines	Killed vaccines
diphtheria-tetanus vaccine	A	Vaccines	Killed vaccines
dipivefrine	B2	Ophthalmic Drugs
dipyridamole	B1	Cardiovascular System	Vasodilators
disodium etidronate	B3	Endocrine System	Agents affecting calcium and bone metabolism
disopyramide	B2	Cardiovascular System	Antiarrhythmics
disulfiram	B2	Agents used in dependency states
dithranol	B2	Drugs used in Dermatology	Topical
dobutamine	B2	Cardiovascular System	Adrenergic stimulants
docetaxel	D	Antineoplastic Agents	Antimetabolites
docusate sodium	A	Alimentary System	Laxatives
dofetilide	D	Cardiovascular System	Antiarrhythmics
dolasetron	B1	Central Nervous System	Antiemetics, antinauseants
domperidone	B2	Central Nervous System	Antiemetics, antinauseants
donepezil	B3	Cholinergic and Anticholinergic Agents
dopamine	B3	Cardiovascular System	Adrenergic stimulants
doripenem	B2	Antimicrobials	Antibiotics
dornase alfa	B1	Respiratory System
dorzolamide	B3	Ophthalmic Drugs
dothiepin	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
doxazosin	B3	Cardiovascular System	Antihypertensives
doxepin	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
doxorubicin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
doxycycline	D	Antimicrobials	Antibiotics	Tetracyclines
doxycycline (antimalarial)	D	Antimicrobials	Antimalarials
doxylamine	A	Allergy and Immune System	Antihistamines
dronedarone	D	Cardiovascular System	Antiarrhythmics
droperidol	C	Central Nervous System	Antipsychotic drugs	Butyrophenones
drospirenone and ethinyloestradiol	B3	Contraceptive Agents	Oral contraceptives
drotrecogin alfa	C	Cardiovascular System	Haemostatic agents
duloxetine	B3	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
dutasteride	X	Genitourinary System	Prostate hyperplasia
dydrogesterone	D	Endocrine System	Progestogens (see also oral contraceptives)
econazole	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
econazole	A	Genitourinary System	Topical vaginal medication
ecothiopate	B2	Ophthalmic Drugs
eculizumab	B2	Allergy and Immune System	Immunomodifiers
efalizumab	C	Allergy and Immune System	Immunomodifiers
efavirenz	D	Antimicrobials	Antiviral agents
eflornithine	B3	Drugs used in Dermatology	Topical
eformoterol	B3	Respiratory System	Inhalational agents	Bronchospasm relaxants
eletriptan	B1	Cardiovascular System	Antimigraine preparations
eltrombopag	B3	Blood and Haemopoietic System	Haemopoietic agents
emetine	A	Respiratory System	Expectorants and mucolytics
emtricitabine	B1	Antimicrobials	Antiviral agents
enalapril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
enflurane	A	Drugs Used in Anaesthesia	General anaesthetics
enfuvirtide	B2	Antimicrobials	Antiviral agents
enoxacin	B3	Antimicrobials	Antibiotics	Quinolones
enoxaparin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
entacapone	B3	Central Nervous System	Antiparkinson agents
entecavir	B3	Antimicrobials	Antiviral agents
ephedrine	A	Cardiovascular System	Adrenergic stimulants
ephedrine	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
epirubicin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
eplerenone	B3	Cardiovascular System	Diuretics
epoetin alfa	B3	Blood and Haemopoietic System	Haemopoietic agents
epoetin beta (rch)	B3	Blood and Haemopoietic System	Haemopoietic agents
epoetin lambda (rch)	B3	Blood and Haemopoietic System	Haemopoietic agents
epoprostenol	B1	Cardiovascular System	Vasodilators
eprosartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
eptacog alfa (activated Factor VII - rch)	B1	Cardiovascular System	Haemostatic agents
eptifibatide	C	Cardiovascular System	Anticoagulants and thrombolytic agents
eptotermin alfa	D	Musculoskeletal System	Osteogenic agents
ergometrine	C	Genitourinary System	Agents acting on the uterus
ergotamine	C	Cardiovascular System	Antimigraine preparations
eribulin	D	Antineoplastic Agents
erlotinib	C	Antineoplastic Agents	Tyrosine kinase inhibitors
ertapenem	B3	Antimicrobials	Antibiotics
erythromycin	A	Antimicrobials	Antibiotics	Macrolide antibiotics
erythropoietin	B3	Blood and Haemopoietic System	Haemopoietic agents
escitalopram	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
esmolol	C	Cardiovascular System	Beta-adrenergic blocking agents
esomeprazole	B3	Alimentary System	Hyperacidity, reflux, ulcers
estramustine	D	Antineoplastic Agents	Alkylating agents
etanercept	B2	Allergy and Immune System	Immunomodifiers
ethacrynic acid	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
ethambutol	A	Antimicrobials	Antituberculotics and antileprotics
ethinyloestradiol	B3	Endocrine System	Oestrogens (see also oral contraceptives)
ethosuximide	D	Central Nervous System	Anticonvulsants/antiepileptics
etidocaine	B1	Drugs Used in Anaesthesia	Local anaesthetics
etonogestrel	B3	Contraceptive Agents
etoposide	D	Antineoplastic Agents
etoricoxib	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
etravirine	B1	Antimicrobials	Antiviral agents
etretinate	X	Drugs used in Dermatology	Systemic
everolimus	C	Allergy and Immune System	Immunomodifiers
exemestane	C	Antineoplastic Agents	Hormonal antineoplastic agents
exenatide	C	Endocrine System	Hypoglycaemic agents
ezetimibe	B3	Cardiovascular System	Hypolipidaemic agents
factor IX (human)	C	Cardiovascular System	Haemostatic agents
factor IX (r CHO)	B2	Cardiovascular System	Haemostatic agents
famciclovir	B1	Antimicrobials	Antiviral agents
famotidine	B1	Alimentary System	Hyperacidity, reflux, ulcers
fampridine	C	Central Nervous System
felodipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
fenfluramine	B2	Metabolism	Anorectic and weight reducing agents
fenofibrate	B3	Cardiovascular System	Hypolipidaemic agents
fenoterol	A	Cardiovascular System	Adrenergic stimulants
fenoterol	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
fentanyl	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
ferric carboxymaltose	B3	Blood and Haemopoietic System
ferucarbotran	B1	Diagnostic Agents	Radiographic agents
fexofenadine	B2	Allergy and Immune System	Antihistamines
fibrin	B2	Cardiovascular System	Haemostatic agents
fibrinogen	B2	Cardiovascular System	Haemostatic agents
fibronectin	B2	Cardiovascular System	Haemostatic agents
fidaxomicin	B1	Antimicrobials	Antibiotics
filgrastim	B3	Blood and Haemopoietic System	Haemopoietic agents
finasteride	X	Drugs used in Dermatology	Topical
finasteride	X	Genitourinary System	Prostate hyperplasia
fingolimod	D	Allergy and Immune System	Immunomodifiers
flecainide	B3	Cardiovascular System	Antiarrhythmics
fleroxacin	B3	Antimicrobials	Antibiotics	Quinolones
flucloxacillin	B1	Antimicrobials	Antibiotics	Penicillins
fluconazole	D	Antimicrobials	Antifungal agents (see also topical antifungals)
flucytosine	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
fludarabine	D	Antineoplastic Agents	Antibiotic cytotoxic agents
fludrocortisone (systemic)	C	Endocrine System	Corticosteroids	Systemic
fludrocortisone (topical)	A	Endocrine System	Corticosteroids	Topical
flumazenil	B3	Detoxifying Agents, Antidotes
flumethasone	A	Endocrine System	Corticosteroids	Topical
flunisolide	B3	Endocrine System	Corticosteroids	Inhalation/intranasal
flunitrazepam	C	Central Nervous System	Benzodiazepines
fluocinolone	A	Endocrine System	Corticosteroids	Topical
fluocortolone	A	Endocrine System	Corticosteroids	Topical
fluorescein sodium (systemic)	B2	Ophthalmic Drugs
fluorometholone	B3	Ophthalmic Drugs
fluorouracil	D	Antineoplastic Agents	Antimetabolites
fluoxetine	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
fluoxymesterone	D	Endocrine System	Androgens and anabolic steroids
flupenthixol	C	Central Nervous System	Antipsychotic drugs
fluphenazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
flurazepam	C	Central Nervous System	Benzodiazepines
flurbiprofen	B2	Ophthalmic Drugs
fluticasone	B3	Endocrine System	Corticosteroids	Inhalation/intranasal
fluticasone	B3	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
fluvastatin	D	Cardiovascular System	Hypolipidaemic agents
fluvoxamine	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
folic acid	A	Blood and Haemopoietic System
folinic acid (leucovorin)	A	Blood and Haemopoietic System
follicle stimulating hormone (recombinant human)	B3	Endocrine System	Ovulation inducers	Gonadotrophins
follitropin alfa	D	Endocrine System	Pituitary hormones
follitropin beta	B2	Endocrine System	Pituitary hormones
fomivirsen	B2	Antimicrobials	Antiviral agents
fondaparinux	C	Cardiovascular System	Anticoagulants and thrombolytic agents
fosamprenavir	B3	Antimicrobials	Antiviral agents
fosaprepitant	B2	Antineoplastic Agents	Non-cytotoxic supportive therapy
foscarnet	B3	Antimicrobials	Antiviral agents
fosinopril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
fotemustine	D	Antineoplastic Agents	Alkylating agents
framycetin	D	Antimicrobials	Antibiotics	Aminoglycosides
frusemide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
fulvestrant	D	Antineoplastic Agents	Hormonal antineoplastic agents
fusidic acid	C	Antimicrobials	Antibiotics
FVIII inhibitor bypassing fraction	B2	Cardiovascular System	Haemostatic agents
gabapentin	B1	Central Nervous System	Anticonvulsants/antiepileptics
gadobenate	B3	Diagnostic Agents	Radiographic agents
gadodiamide	B3	Diagnostic Agents	Radiographic agents
gadofosveset	B3	Diagnostic Agents	Radiographic agents
gadopentetate dimeglumine	B2	Diagnostic Agents	Radiographic agents
gadoteridol	B3	Diagnostic Agents	Radiographic agents
gadoversetamide	B3	Diagnostic Agents	Radiographic agents
gadoxetate	B3	Diagnostic Agents	Radiographic agents
galactose with palmitic acid	B2	Diagnostic Agents	Radiographic agents
galantamine	B1	Cholinergic and Anticholinergic Agents
gallamine	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
galsulfase	B3	Metabolism	Agents used for the treatment of metabolic disorders
ganciclovir	D	Antimicrobials	Antiviral agents
ganirelix	D	Endocrine System	Pituitary inhibitors
gatifloxacin	B3	Antimicrobials	Antibiotics	Quinolones
gefitinib	C	Antineoplastic Agents	Tyrosine kinase inhibitors
gelatin - succinylated	B3	Cardiovascular System
gemcitabine	D	Antineoplastic Agents	Antimetabolites
gemeprost	B3	Genitourinary System	Agents acting on the uterus
gemfibrozil	B3	Cardiovascular System	Hypolipidaemic agents
gentamicin	D	Antimicrobials	Antibiotics	Aminoglycosides
gestoden	B3	Endocrine System	Progestogens (see also oral contraceptives)
gestrinone	D	Endocrine System	Pituitary inhibitors
glatiramer	B1	Allergy and Immune System	Immunomodifiers
glibenclamide	C	Endocrine System	Hypoglycaemic agents
gliclazide	C	Endocrine System	Hypoglycaemic agents
glimepiride	C	Endocrine System	Hypoglycaemic agents
glipizide	C	Endocrine System	Hypoglycaemic agents
glucagon	B3	Detoxifying Agents, Antidotes
glyceryl trinitrate	B2	Cardiovascular System	Antiangina agents
glyceryl trinitrate	B2	Cardiovascular System	Vasodilators
glycopyrrolate	B2	Alimentary System	Antispasmodics
glycopyrrolate	B2	Cholinergic and Anticholinergic Agents
golimumab	C	Allergy and immune System	Immunomodifiers
gonadotrophin - human chorionic	A	Endocrine System	Ovulation inducers	Gonadotrophins
gonadotrophin - human menopausal	C	Endocrine System	Ovulation inducers	Gonadotrophins
goserelin	D	Antineoplastic Agents	Hormonal antineoplastic agents
goserelin	D	Endocrine System	Pituitary hormones
granisetron	B1	Central Nervous System	Antiemetics, antinauseants
griseofulvin	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
guaiphenesin	A	Respiratory System	Expectorants and mucolytics
guanethidine	A	Cardiovascular System	Antihypertensives
haemophilus influenza type B vaccine	B2	Vaccines	Killed vaccines
halcinonide	A	Endocrine System	Corticosteroids	Topical
haloperidol	C	Central Nervous System	Antipsychotic drugs	Butyrophenones
halothane	A	Drugs Used in Anaesthesia	General anaesthetics
heparin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
hepatitis A vaccine	B2	Vaccines	Killed vaccines
hepatitis B vaccine	B2	Vaccines	Killed vaccines
hexamine	A	Genitourinary System	Urinary antiseptics
homatropine	B2	Ophthalmic Drugs
hydralazine	C	Cardiovascular System	Antihypertensives
hydrochlorothiazide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
hydrocortisone	A	Endocrine System	Corticosteroids	Systemic
hydromorphone	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
hydroxychloroquine	D	Musculoskeletal System	Antirheumatoid agents
hydroxychloroquine (antimalarial)	D	Antimicrobials	Antimalarials
hydroxyprogesterone	D	Endocrine System	Progestogens (see also oral contraceptives)
hydroxyquinoline	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
hydroxyurea	D	Antineoplastic Agents	Antimetabolites
hydroxyzine	A	Allergy and Immune System	Antihistamines
hyoscine	B2	Central Nervous System	Antiemetics, antinauseants
hyoscine	B2	Cholinergic and Anticholinergic Agents
hyoscine hydrobromide	B2	Central Nervous System	Antiemetics, antinauseants
hyoscine methobromide	A	Cholinergic and Anticholinergic Agents
hyoscine-N-butylbromide	B2	Alimentary System	Antispasmodics
hyoscine-N-butylbromide	B2	Cholinergic and Anticholinergic Agents
hyoscyamine	B2	Alimentary System	Antidiarrhoeals
hyoscyamine	B2	Cholinergic and Anticholinergic Agents
ibandronate	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
ibuprofen	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
ibutilide	B3	Cardiovascular System	Antiarrhythmics
Icatibant	C	Cardiovascular System
idarubicin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
idoxuridine (ophthalmic)	B3	Ophthalmic Drugs
idoxuridine (topical)	B1	Drugs used in Dermatology	Topical antiviral
idursulfase	B2	Metabolism	Agents used for the treatment of metabolic disorders
ifosfamide	D	Antineoplastic Agents	Alkylating agents
iloprost	B3	Cardiovascular System	Vasodilators
imatinib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
imiglucerase	B2	Metabolism	Agents used for the treatment of metabolic disorders
imipenem with cilastatin	B3	Antimicrobials	Antibiotics
imipramine	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
imiquimod	B1	Drugs used in Dermatology	Topical antiviral
Indacaterol	B3	Respiratory System	Inhalational agents	Bronchospasm relaxants
indapamide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
indigo carmine	B2	Genitourinary System
indinavir	B3	Antimicrobials	Antiviral agents
indomethacin	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
infliximab	C	Allergy and Immune System	Immunomodifiers
influenza vaccine (pandemic)	B2	Vaccines	Killed vaccines
influenza vaccine (prepandemic)	B2	Vaccines	Killed vaccines
influenza vaccine (seasonal, AGRIPPAL S1TM)	B1	Vaccines	Killed vaccines
influenza vaccine (seasonal, except AGRIPPAL S1TM)	B2	Vaccines	Killed vaccines
influenza vaccine (seasonal, INTANZA)	B1	Vaccines	Killed vaccines
ingenol	B3	Drugs used in Dermatology	Topical
insulin - aspart	A	Endocrine System	Hypoglycaemic agents	Insulins
insulin - detemir	B3	Endocrine System	Hypoglycaemic agents	Insulins
insulin - glargine	B3	Endocrine System	Hypoglycaemic agents	Insulins
insulin - glulisine	B3	Endocrine System	Hypoglycaemic agents	Insulins
insulin - lispro	A	Endocrine System	Hypoglycaemic agents	Insulins
interferon alpha-2a	B3	Allergy and Immune System	Immunomodifiers
interferon alpha-2b	B3	Allergy and Immune System	Immunomodifiers
interferon beta-1a	D	Allergy and Immune System	Immunomodifiers
interferon beta-1b	D	Allergy and Immune System	Immunomodifiers
interferon gamma-1b	B3	Allergy and Immune System	Immunomodifiers
iodixanol	B1	Diagnostic Agents	Radiographic agents
iodoform with bismuth subnitrate	D	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
iomeprol	B3	Diagnostic Agents	Radiographic agents
iopromide	B2	Diagnostic Agents	Radiographic agents
ioversol	B1	Diagnostic Agents	Radiographic agents
ipecacuanha	A	Respiratory System	Expectorants and mucolytics
ipilimumab	C	Antineoplastic Agents	Monoclonal antibodies
ipratropium bromide	B1	Respiratory System	Inhalational agents	Bronchospasm relaxants
irbesartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
irinotecan	D	Antineoplastic Agents
iron polymaltose (oral)	A	Blood and Haemopoietic System
iron polymaltose (parenteral)	A	Blood and Haemopoietic System
iron sucrose (parenteral)	B3	Blood and Haemopoietic System
isoconazole	B2	Genitourinary System	Topical vaginal medication
isoflurane	B3	Drugs Used in Anaesthesia	General anaesthetics
isoniazid	A	Antimicrobials	Antituberculotics and antileprotics
isoprenaline	A	Cardiovascular System	Adrenergic stimulants
isoprenaline	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
isosorbide dinitrate	B1	Cardiovascular System	Antiangina agents
isosorbide dinitrate	B1	Cardiovascular System	Vasodilators
isosorbide mononitrate	B2	Cardiovascular System	Antiangina agents
isotretinoin (systemic)	X	Drugs used in Dermatology	Systemic
isotretinoin (topical)	D	Drugs used in Dermatology	Topical
isoxsuprine	C	Cardiovascular System	Vasodilators
isradipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
itraconazole	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
ivabradine	D	Cardiovascular System	Antiangina agents
ivermectin	B3	Antimicrobials	Anthelmintics
Japanese encephalitis vaccine (inactivated)	B1	Vaccines	Killed vaccines
Japanese encephalitis vaccine (live, attenuated)	B1	Vaccines	Live attenuated virus vaccines
Japanese encephalitis vaccine (live, recombinant)	B2	Vaccines	Live attenuated virus vaccines
kanamycin	D	Antimicrobials	Antibiotics	Aminoglycosides
ketamine	B3	Drugs Used in Anaesthesia	General anaesthetics
ketoconazole	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
ketoprofen	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
ketorolac	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
ketotifen	B1	Ophthalmic Drugs
labetalol	C	Cardiovascular System	Beta-adrenergic blocking agents
lacosamide	B3	Central Nervous System	Anticonvulsants/antiepileptics
lamivudine	B3	Antimicrobials	Antiviral agents
lamotrigine	D	Central Nervous System	Anticonvulsants/antiepileptics
lanreotide	C	Endocrine System	Pituitary hormones
lansoprazole	B3	Alimentary System	Hyperacidity, reflux, ulcers
lanthanum	B3	Detoxifying Agents, Antidotes
lapatinib	C	Antineoplastic Agents	Tyrosine kinase inhibitors
laronidase	B2	Metabolism	Agents used for the treatment of metabolic disorders
latanoprost	B3	Ophthalmic Drugs
laureth	B3	Cardiovascular System
leflunomide	X	Allergy and Immune System	Immunomodifiers
lenalidomide	X	Allergy and Immune System	Immunomodifiers
lenograstim	B3	Blood and Haemopoietic System	Haemopoietic agents
lepirudin	B3	Cardiovascular System	Anticoagulants and thrombolytic agents
lercanidipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
letrozole	D	Antineoplastic Agents	Hormonal antineoplastic agents
leuprorelin	D	Antineoplastic Agents	Hormonal antineoplastic agents
levamisole	B3	Allergy and Immune System	Immunomodifiers
levetiracetam	B3	Central Nervous System	Anticonvulsants/antiepileptics
levobunolol	C	Cardiovascular System	Beta-adrenergic blocking agents
levobunolol (ophthalmic)	C	Ophthalmic Drugs
levobupivacaine	B3	Drugs Used in Anaesthesia	Local anaesthetics
levocabastine	B3	Allergy and Immune System	Antihistamines
levocabastine (ophthalmic)	B3	Ophthalmic Drugs
levocetirizine	B2	Allergy and Immune System	Antihistamines
levodopa	B3	Central Nervous System	Antiparkinson agents
levonorgestrel	B3	Contraceptive Agents	Oral contraceptives
lignocaine	A	Cardiovascular System	Antiarrhythmics
lignocaine	A	Drugs Used in Anaesthesia	Local anaesthetics
linagliptin	B3	Endocrine System	Hypoglycaemic agents
lincomycin	A	Antimicrobials	Antibiotics
lindane	B3	Drugs used in Dermatology	Topical antiparasitics
linezolid	B3	Antimicrobials	Antibiotics
liothyronine	A	Endocrine System	Thyroid hormones
liraglutide (rys)	B3	Endocrine System	Hypoglycaemic agents
lisinopril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
lithium salts	D	Central Nervous System	Antipsychotic drugs
lodoxamide trometamol	B1	Ophthalmic Drugs
lomustine	D	Antineoplastic Agents	Alkylating agents
loperamide	B3	Alimentary System	Antidiarrhoeals
lopinavir with ritonavir	B3	Antimicrobials	Antiviral agents
loracarbef	B1	Antimicrobials	Antibiotics	Cephalosporins
loratadine	B1	Allergy and Immune System	Antihistamines
lorazepam	C	Central Nervous System	Benzodiazepines
losartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
lumiracoxib	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
lutropin alfa	B3	Endocrine System	Pituitary hormones
lypressin	B2	Endocrine System	Antidiuretics
maldison (malathion)	B2	Drugs used in Dermatology	Topical antiparasitics
mannitol	B2	Cardiovascular System
maraviroc	B1	Antimicrobials	Antiviral agents
mazindol	B3	Metabolism	Anorectic and weight reducing agents
measles vaccine	B2	Vaccines	Live attenuated virus vaccines
measles-mumps vaccine	B2	Vaccines	Live attenuated virus vaccines
measles-mumps-rubella vaccine	B2	Vaccines	Live attenuated virus vaccines
measles-mumps-rubella-varicella vaccine	B2	Vaccines	Live attenuated virus vaccines
mebendazole	B3	Antimicrobials	Anthelmintics
mebeverine	B2	Alimentary System	Antispasmodics
medroxyprogesterone (IM contraceptive dose)	A	Contraceptive Agents
medroxyprogesterone (oral & SC high dose)	D	Endocrine System	Progestogens (see also oral contraceptives)
medroxyprogesterone (oral and IM high dose)	D	Antineoplastic Agents	Hormonal antineoplastic agents
mefenamic acid	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
mefloquine	B3	Antimicrobials	Antimalarials
mefruside	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
megestrol	D	Endocrine System	Progestogens (see also oral contraceptives)
melatonin	B3	Central Nervous System	Hypnotics and sedatives
meloxicam	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
melphalan	D	Antineoplastic Agents	Alkylating agents
memantine	B2	Central Nervous System
meningococcal vaccine (oligosaccharide)	B1	Vaccines	killed vaccines
meningococcal vaccine (polysaccharide)	B2	Vaccines	Killed vaccines
mepivacaine	A	Drugs Used in Anaesthesia	Local anaesthetics
meprobamate	C	Central Nervous System	Hypnotics and sedatives
mercaptopurine	D	Antineoplastic Agents	Antimetabolites
meropenem	B2	Antimicrobials	Antibiotics
mesalazine	C	Alimentary System	Antidiarrhoeals
mesna	B1	Antineoplastic Agents	Non-cytotoxic supportive therapy
mesterolone	X	Endocrine System	Androgens and anabolic steroids
mestranol	B3	Endocrine System	Oestrogens (see also oral contraceptives)
metaraminol	C	Cardiovascular System	Adrenergic stimulants
metformin	C	Endocrine System	Hypoglycaemic agents
methacycline	D	Antimicrobials	Antibiotics	Tetracyclines
methadone	C	Agents used in dependency states
methadone	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
methdilazine	B2	Allergy and Immune System	Antihistamines
methenolone	D	Endocrine System	Androgens and anabolic steroids
methocarbamol	B2	Musculoskeletal System	Muscle relaxants
methohexitone	B2	Drugs Used in Anaesthesia	General anaesthetics
methotrexate	D	Antineoplastic Agents	Antimetabolites
methoxsalen	B2	Drugs used in Dermatology	Topical
methoxy polyethylene glycol-epoetin beta	B3	Blood and Haemopoietic System	Haemopoietic agents
methoxyflurane	C	Drugs Used in Anaesthesia	General anaesthetics
methsuximide	D	Central Nervous System	Anticonvulsants/antiepileptics
methyclothiazide	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
methyl aminolevulinate	B2	Antineoplastic Agents
methyldopa	A	Cardiovascular System	Antihypertensives
methylene blue	D	Blood and Haemopoietic System
methylnaltrexone	B1	Central Nervous System
methylphenidate	B2	Central Nervous System	CNS stimulants
methylphenobarbitone	D	Central Nervous System	Anticonvulsants/antiepileptics
methylprednisolone	A	Endocrine System	Corticosteroids	Systemic
methylprednisolone aceponate	C	Endocrine System	Corticosteroids	Topical
methyltestosterone	D	Endocrine System	Androgens and anabolic steroids
methysergide	C	Cardiovascular System	Antimigraine preparations
metoclopramide	A	Central Nervous System	Antiemetics, antinauseants
metolazone	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
metoprolol	C	Cardiovascular System	Beta-adrenergic blocking agents
metronidazole	B2	Antimicrobials	Antibiotics
metyrapone	B2	Diagnostic Agents	Pituitary-adrenal response test
mexiletine	B1	Cardiovascular System	Antiarrhythmics
mezlocillin	B1	Antimicrobials	Antibiotics	Penicillins
mianserin	B2	Central Nervous System	Antidepressants	Tetracyclic antidepressants
micafungin	B3	Antimicrobials	Antibiotics
miconazole	A	Drugs used in Dermatology	Topical antifungals, antiseptics (see also antifungal agents)
miconazole	A	Genitourinary System	Topical vaginal medication
midazolam	C	Central Nervous System	Benzodiazepines
miglitol	B3	Endocrine System	Hypoglycaemic agents
miglustat	D	Metabolism	Agents used for the treatment of metabolic disorders
milnacipran	B3	Central Nervous System	Antidepressants
milrinone	B3	Cardiovascular System	Cardiac inotropic agents
minocycline	D	Antimicrobials	Antibiotics	Tetracyclines
minoxidil	C	Cardiovascular System	Antihypertensives
mirtazapine	B3	Central Nervous System	Antidepressants
misoprostol	X	Alimentary System	Hyperacidity, reflux, ulcers
mitomycin	D	Antineoplastic Agents	Antibiotic cytotoxic agents
mitozantrone	D	Antineoplastic Agents	Antibiotic cytotoxic agents
mivacurium	B2	Drugs Used in Anaesthesia	Neuromuscular blocking agents
moclobemide	B3	Central Nervous System	Antidepressants
modafinil	B3	Central Nervous System	CNS stimulants
molgramostim	B3	Blood and Haemopoietic System	Haemopoietic agents
mometasone	B3	Endocrine System	Corticosteroids	Topical
montelukast	B1	Respiratory System
moroctocog alfa (factor VIII - rch)	B2	Cardiovascular System	Haemostatic agents
morphine	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
moxifloxacin	B3	Antimicrobials	Antibiotics	Quinolones
moxonidine	B3	Cardiovascular System	Antihypertensives
mumps vaccine	B2	Vaccines	Live attenuated virus vaccines
mupirocin	B1	Antimicrobials	Antibiotics
mustine	D	Antineoplastic Agents	Alkylating agents
mycophenolate mofetil	D	Allergy and Immune System	Immunomodifiers
mycophenolic acid	D	Allergy and Immune System	Immunomodifiers
nabumetone	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
nadroparin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
nafarelin	D	Endocrine System	Pituitary hormones
nalidixic acid	A	Antimicrobials	Antibiotics
naloxone	B1	Detoxifying Agents, Antidotes
naltrexone	B3	Agents used in dependency states
nandrolone	D	Endocrine System	Androgens and anabolic steroids
naproxen	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
naratriptan	B3	Cardiovascular System	Antimigraine preparations
natalizumab	C	Allergy and Immune System	Immunomodifiers
nateglinide	C	Endocrine System	Hypoglycaemic agents
nebivolol	C	Cardiovascular System	Beta-adrenergic blocking agents
nedocromil	B1	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
nefazodone	B3	Central Nervous System	Antidepressants
nelfinavir	B2	Antimicrobials	Antiviral agents
neomycin	D	Antimicrobials	Antibiotics	Aminoglycosides
neostigmine	B2	Drugs Used in Myasthenia Gravis
netilmicin	D	Antimicrobials	Antibiotics	Aminoglycosides
nevirapine	B3	Antimicrobials	Antiviral agents
nicardipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
nicorandil	B3	Cardiovascular System	Antiangina agents
nicotine	D	Agents used in dependency states
nicotinic acid	B2	Cardiovascular System	Hypolipidaemic agents
nicotinic acid	B2	Cardiovascular System	Vasodilators
nicotinic acid	B2	Vitamins
nicotinyl alcohol	B1	Cardiovascular System	Vasodilators
nifedipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
nilotinib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
nimodipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
nisoldipine	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
nitisinone	B3	Metabolism	Agents used for the treatment of metabolic disorders
nitrazepam	C	Central Nervous System	Benzodiazepines
nitric oxide	B2	Cardiovascular System	Vasodilators
nitrofurantoin (short term therapy)	A	Antimicrobials	Antibiotics
nitrous oxide	A	Drugs Used in Anaesthesia	General anaesthetics
nizatidine	B3	Alimentary System	Hyperacidity, reflux, ulcers
nomegestrol with oestradiol	B3	Contraceptive Agents
nonacog alfa (rch)	B2	Cardiovascular System	Haemostatic agents
nonoxinol 9	A	Contraceptive Agents	Vaginal spermicides
norelgestromin with ethinyloestradiol	B3	Contraceptive Agents
norethisterone	D	Endocrine System	Progestogens (see also oral contraceptives)
norfloxacin	B3	Antimicrobials	Antibiotics	Quinolones
nortriptyline	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
nystatin	A	Antimicrobials	Antifungal agents (see also topical antifungals)
nystatin	A	Genitourinary System	Topical vaginal medication
octocog alfa (factor VIII - rch)	B2	Cardiovascular System	Haemostatic agents
octoxinol	A	Contraceptive Agents	Vaginal spermicides
octreotide	C	Endocrine System	Pituitary hormones
oestradiol	B1	Endocrine System	Oestrogens (see also oral contraceptives)
oestriol	B1	Endocrine System	Oestrogens (see also oral contraceptives)
oestrogens conjugated	D	Endocrine System	Oestrogens (see also oral contraceptives)
oestrone	B1	Endocrine System	Oestrogens (see also oral contraceptives)
ofatumumab	C	Antineoplastic Agents	Monoclonal antibodies
ofloxacin	B3	Antimicrobials	Antibiotics	Quinolones
olanzapine	C	Central Nervous System	Antipsychotic drugs
olmesartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
olopatadine	B1	Ophthalmic Drugs
olsalazine	C	Alimentary System	Antidiarrhoeals
omalizumab	B1	Respiratory System
omega-3-acid ethyl esters 90	B1	Cardiovascular System	Hypolipidaemic agents
omeprazole	B3	Alimentary System	Hyperacidity, reflux, ulcers
ondansetron	B1	Central Nervous System	Antiemetics, antinauseants
opium alkaloids and derivatives	A	Respiratory System	Antitussives
oral contraceptives, combined	B3	Contraceptive Agents	Oral contraceptives
orciprenaline	A	Cardiovascular System	Adrenergic stimulants
orciprenaline	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
orlistat	B1	Metabolism	Anorectic and weight reducing agents
ornipressin	B3	Cardiovascular System	Haemostatic agents
orphenadrine	B2	Musculoskeletal System	Muscle relaxants
oseltamivir	B1	Antimicrobials	Antiviral agents
oxaliplatin	D	Antineoplastic Agents
oxandrolone	D	Endocrine System	Androgens and anabolic steroids
oxazepam	C	Central Nervous System	Benzodiazepines
oxcarbazepine	D	Central Nervous System	Anticonvulsants/antiepileptics
oxpentifylline	B1	Cardiovascular System
oxprenolol	C	Cardiovascular System	Beta-adrenergic blocking agents
oxybuprocaine	D	Ophthalmic Drugs
oxybutynin	B1	Genitourinary System	Bladder function disorders
oxycodone	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
oxymetholone	D	Endocrine System	Androgens and anabolic steroids
oxytetracycline	D	Antimicrobials	Antibiotics	Tetracyclines
oxytocin	A	Genitourinary System	Agents acting on the uterus
paclitaxel	D	Antineoplastic Agents	Antimetabolites
palifermin	B3	Antineoplastic Agents	Non-cytotoxic supportive therapy
paliperidone	C	Central Nervous System	Antipsychotic drugs
palonosetron	B1	Central Nervous System	Antiemetics, antinauseants
pamidronate	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
pancuronium	B2	Drugs Used in Anaesthesia	Neuromuscular blocking agents
panitumumab	C	Antineoplastic Agents	Monoclonal antibodies
pantoprazole	B3	Alimentary System	Hyperacidity, reflux, ulcers
papaveretum	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
papaverine	A	Cardiovascular System	Vasodilators
papaverine	A	Cholinergic and Anticholinergic Agents
papillomavirus vaccine	B2	Vaccines	Killed vaccines
paracetamol	A	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)
paraldehyde	D	Central Nervous System	Hypnotics and sedatives
parecoxib	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
paricalcitol	C	Endocrine System	Agents affecting calcium and bone metabolism
paroxetine	D	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
pazopanib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
pegfilgrastim	B3	Blood and Haemopoietic System	Haemopoietic agents
peginterferon alfa-2a	B3	Allergy and Immune System	Immunomodifiers
peginterferon alfa-2b	B3	Allergy and Immune System	Immunomodifiers
pegvisomant	B3	Endocrine System	Pituitary inhibitors
pemetrexed	D	Antineoplastic Agents	Antimetabolites
penciclovir	B1	Drugs used in Dermatology	Topical antiviral
penicillamine	D	Detoxifying Agents, Antidotes
penicillamine	D	Musculoskeletal System	Antirheumatoid agents
pentamidine	B3	Antimicrobials	Antibiotics
pentastarch	B3	Cardiovascular System
pentazocine	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
pentobarbitone	C	Central Nervous System	Hypnotics and sedatives	Barbiturates
pentosan polysulfate sodium	B1	Genitourinary System	Bladder function disorders
perflutren	B3	Diagnostic Agents	Radiographic agents
pergolide	C	Central Nervous System	Antiparkinson agents
perhexiline	B2	Cardiovascular System	Antiangina agents
pericyazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
perindopril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
permethrin	B2	Drugs used in Dermatology	Topical antiparasitics
perphenazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
pertussis vaccine	B2	Vaccines	Killed vaccines
pertuzumab	D	Antineoplastic Agents	Monoclonal antibodies
pethidine	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
phenelzine	B3	Central Nervous System	Antidepressants	Monoamine oxidase inhibitors
phenindione	D	Cardiovascular System	Anticoagulants and thrombolytic agents
pheniramine	A	Allergy and Immune System	Antihistamines
phenobarbitone	D	Central Nervous System	Anticonvulsants/antiepileptics
phenolphthalein	B2	Alimentary System	Laxatives
phenoperidine	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
phenoxybenzamine	B2	Cardiovascular System	Vasodilators
phenoxymethylpenicillin	A	Antimicrobials	Antibiotics	Penicillins
phensuximide	D	Central Nervous System	Anticonvulsants/antiepileptics
phentermine	B3	Metabolism	Anorectic and weight reducing agents
phentolamine	B1	Cardiovascular System	Vasodilators
phenylbutazone	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
phenylephrine	B2	Cardiovascular System	Adrenergic stimulants
phenylephrine	B2	Respiratory System	Decongestants
phenylpropanolamine	B2	Cardiovascular System	Adrenergic stimulants
phenylpropanolamine	B2	Respiratory System	Decongestants
phenytoin sodium	D	Central Nervous System	Anticonvulsants/antiepileptics
pholcodine	A	Respiratory System	Antitussives
physostigmine	C	Musculoskeletal System	Muscle relaxants
pilocarpine	B3	Ophthalmic Drugs
pimecrolimus	B3	Drugs used in Dermatology	Topical
pimozide	C	Central Nervous System	Antipsychotic drugs
pindolol	C	Cardiovascular System	Beta-adrenergic blocking agents
pioglitazone	B3	Endocrine System	Hypoglycaemic agents
pipecuronium	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
piperacillin	B1	Antimicrobials	Antibiotics	Penicillins
piperacillin with tazobactam	B1	Antimicrobials	Antibiotics	Penicillins
piperazine oestrone sulfate	B1	Endocrine System	Oestrogens (see also oral contraceptives)
piperonyl butoxide	B3	Drugs used in Dermatology	Topical antiparasitics
piroxicam	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
pitavastatin	D	Cardiovascular System	Hypolipidaemic agents
pizotifen	B1	Cardiovascular System	Antimigraine preparations
plerixafor	D	Blood and Haemopoietic System	Haemopoietic agents
pneumococcal vaccine	B2	Vaccines	Killed vaccines
podophyllotoxin	D	Drugs used in Dermatology	Topical	Antimitotic agent
poliomyelitis vaccine (injection)	B2	Vaccines	Killed vaccines
poliomyelitis vaccine (oral)	A	Vaccines	Live attenuated virus vaccines
posaconazole	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
pramipexole	B3	Central Nervous System	Antiparkinson agents
prasugrel	B1	Cardiovascular System	Anticoagulants and thrombolytic agents
pravastatin	D	Cardiovascular System	Hypolipidaemic agents
praziquantel	B1	Antimicrobials	Anthelmintics
prazosin	B2	Cardiovascular System	Antihypertensives
prednisolone	A	Endocrine System	Corticosteroids	Systemic
prednisone	A	Endocrine System	Corticosteroids	Systemic
pregabalin	B3	Central Nervous System	Anticonvulsants/antiepileptics
prilocaine (with or without felypressin)	A	Drugs Used in Anaesthesia	Local anaesthetics
primaquine phosphate	D	Antimicrobials	Antimalarials
primidone	D	Central Nervous System	Anticonvulsants/antiepileptics
probenecid	B2	Musculoskeletal System	Agents used in gout and hyperuricaemia
probucol	B1	Cardiovascular System	Hypolipidaemic agents
procainamide	B2	Cardiovascular System	Antiarrhythmics
procaine hydrochloride	B2	Drugs Used in Anaesthesia	Local anaesthetics
procaine penicillin	A	Antimicrobials	Antibiotics	Penicillins
procarbazine	D	Antineoplastic Agents
prochlorperazine	C	Central Nervous System	Antiemetics, antinauseants	Phenothiazines
procyclidine	A	Central Nervous System	Antiparkinson agents
progestogen only contraceptives	B3	Contraceptive Agents	Oral contraceptives
proguanil	B2	Antimicrobials	Antimalarials
promazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
promethazine	C	Allergy and Immune System	Antihistamines
promethazine	C	Central Nervous System	Antiemetics, antinauseants	Phenothiazines
propantheline	B2	Alimentary System	Antispasmodics
propantheline	B2	Cholinergic and Anticholinergic Agents
propofol	C	Drugs Used in Anaesthesia	General anaesthetics
propranolol	C	Cardiovascular System	Beta-adrenergic blocking agents
propylthiouracil	C	Endocrine System	Antithyroid agents
protamine	B2	Cardiovascular System	Haemostatic agents
protein c (human)	B2	Cardiovascular System	Haemostatic agents
protriptyline	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
proxymetacaine	B2	Ophthalmic Drugs
prucalopride	B1	Alimentary System	Laxatives
pseudoephedrine	B2	Cardiovascular System	Adrenergic stimulants
pseudoephedrine	B2	Respiratory System	Decongestants
pyrantel embonate	B2	Antimicrobials	Anthelmintics
pyrazinamide	B2	Antimicrobials	Antituberculotics and antileprotics
pyrethrins	B2	Drugs used in Dermatology	Topical antiparasitics
pyridostigmine	C	Drugs Used in Myasthenia Gravis
pyrimethamine	B3	Antimicrobials	Antimalarials
quetiapine	C	Central Nervous System	Antipsychotic drugs
quinagolide	B3	Endocrine System	Pituitary inhibitors
quinapril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
quinethazone	C	Cardiovascular System	Diuretics	Thiazides, related diuretics and loop diuretics
quinidine	C	Cardiovascular System	Antiarrhythmics
quinine	D	Musculoskeletal System	Muscle relaxants
quinine (treatment)	D	Antimicrobials	Antimalarials
rabeprazole	B1	Alimentary System	Hyperacidity, reflux, ulcers
rabies vaccine	B2	Vaccines	Killed vaccines
raloxifene	X	Endocrine System	Agents affecting calcium and bone metabolism
raltegravir	B3	Antimicrobials	Antiviral agents
raltitrexed	D	Antineoplastic Agents	Antimetabolites
ramipril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
ranibizumab	D	Ophthalmic Drugs
ranitidine	B1	Alimentary System	Hyperacidity, reflux, ulcers
rasagiline	B3	Central Nervous System	Antiparkinson agents
rasburicase	B2	Musculoskeletal System	Agents used in gout and hyperuricaemia
reboxetine	B1	Central Nervous System	Antidepressants
remifentanil	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
repaglinide	C	Endocrine System	Hypoglycaemic agents
reteplase	C	Cardiovascular System	Fibrinolytic agents
retigabine	B3	Central Nervous System	Anticonvulsants/antiepileptics
ribavirin	X	Antimicrobials	Antiviral agents
rifabutin	C	Antimicrobials	Antituberculotics and antileprotics
rifampicin	C	Antimicrobials	Antituberculotics and antileprotics
rifaximin	B1	Antimicrobials	Antibiotics
rilpivirine	B1	Antimicrobials	Antiviral agents
riluzole	B3	Central Nervous System
rimiterol	A	Cardiovascular System	Adrenergic stimulants
rimiterol	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
risedronate	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
risperidone	C	Central Nervous System	Antipsychotic drugs
ritonavir	B3	Antimicrobials	Antiviral agents
rituximab	C	Allergy and Immune System	Immunomodifiers
rivaroxaban	C	Cardiovascular System	Anticoagulants and thrombolytic agents
rivastigmine	B2	Cholinergic and Anticholinergic Agents
rizatriptan	B1	Cardiovascular System	Antimigraine preparations
rocuronium	B2	Drugs Used in Anaesthesia	Neuromuscular blocking agents
rofecoxib	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
romiplostim	B3	Blood and Haemopoietic System	Haemopoietic agents
ropinirole	B3	Central Nervous System	Antiparkinson agents
ropivacaine	B1	Drugs Used in Anaesthesia	Local anaesthetics
rosiglitazone	B3	Endocrine System	Hypoglycaemic agents
rosuvastatin	D	Cardiovascular System	Hypolipidaemic agents
rotavirus vaccine	B2	Vaccines	Live attenuated virus vaccines
rotigotine	B3	Central Nervous System	Antiparkinson agents
roxithromycin	B1	Antimicrobials	Antibiotics	Macrolide antibiotics
rubella vaccine	B2	Vaccines	Live attenuated virus vaccines
ruxolitinib phosphate	C	Antineoplastic Agents
salbutamol	A	Cardiovascular System	Adrenergic stimulants
salbutamol	A	Genitourinary System	Agents acting on the uterus
salbutamol	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
salcatonin	B2	Endocrine System	Agents affecting calcium and bone metabolism
salmeterol	B3	Respiratory System	Inhalational agents	Bronchospasm relaxants
salmeterol	B3	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
samarium [153Sm]	D	Antineoplastic Agents
saponins	A	Respiratory System	Expectorants and mucolytics
sapropterin	B1	Metabolism	Agents used for the treatment of metabolic disorders
saquinavir	B1	Antimicrobials	Antiviral agents
saxagliptin	B3	Endocrine System	Hypoglycaemic agents
selegiline	B2	Central Nervous System	Antiparkinson agents
senna	A	Alimentary System	Laxatives
sertindole	C	Central Nervous System	Antipsychotic drugs
sertraline	C	Central Nervous System	Antidepressants	Selective serotonin reuptake inhibitors (SSRIs)
sevelamer	B3	Detoxifying Agents, Antidotes
sevoflurane	B2	Drugs Used in Anaesthesia	General anaesthetics
sibutramine	C	Metabolism	Anorectic and weight reducing agents
sildenafil citrate	B1	Cardiovascular System	Vasodilators
simvastatin	D	Cardiovascular System	Hypolipidaemic agents
sirolimus	C	Allergy and Immune System	Immunomodifiers
sitagliptin	B3	Endocrine System	Hypoglycaemic agents
sitaxentan	X	Cardiovascular System	Endothelin receptor antagonist
smallpox vaccine	D	Vaccines	Live attenuated virus vaccines
sodium aurothiomalate	B2	Musculoskeletal System	Antirheumatoid agents
sodium cromoglycate	A	Respiratory System	Inhalational agents	Preventative aerosols and inhalations
sodium fusidate (fusidic acid)	C	Antimicrobials	Antibiotics
sodium nitroprusside	C	Cardiovascular System	Antihypertensives
sodium phosphate [32P]	X	Diagnostic Agents
sodium salicylate	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
sodium valproate (valproic acid)	D	Central Nervous System	Anticonvulsants/antiepileptics
solifenacin	B3	Genitourinary System	Prostate hyperplasia
somatropin	B2	Endocrine System	Pituitary hormones
sorafenib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
sotalol	C	Cardiovascular System	Beta-adrenergic blocking agents
spectinomycin	B1	Antimicrobials	Antibiotics
spironolactone	B3	Cardiovascular System	Diuretics	Potassium sparing diuretics
spironolactone	B3	Endocrine System	Antiandrogens
stavudine	B3	Antimicrobials	Antiviral agents
streptokinase	C	Cardiovascular System	Fibrinolytic agents
strontium ranelate	B3	Endocrine System	Agents affecting calcium and bone metabolism
sucralfate	B1	Alimentary System	Hyperacidity, reflux, ulcers
sugammadex	B2	Drugs Used in Anaesthesia	Antagonists of neuromuscular blocking agents
sulesomab	B2	Diagnostic Agents	Radiographic agents
sulfacetamide	C	Ophthalmic Drugs
sulfadiazine	C	Antimicrobials	Antibiotics	Sulfonamides
sulfadoxine	C	Antimicrobials	Antibiotics	Sulfonamides
sulfamethizole	C	Antimicrobials	Antibiotics	Sulfonamides
sulfamethoxazole	C	Antimicrobials	Antibiotics	Sulfonamides
sulfasalazine	A	Alimentary System	Antidiarrhoeals
sulfinpyrazone	B2	Musculoskeletal System	Agents used in gout and hyperuricaemia
sulindac	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
sulthiame	D	Central Nervous System	Anticonvulsants/antiepileptics
sumatriptan	B3	Cardiovascular System	Antimigraine preparations
sunitinib	D	Antineoplastic Agents	Tyrosine kinase inhibitors
suxamethonium	A	Drugs Used in Anaesthesia	Neuromuscular blocking agents
tacrine	C	Cholinergic and Anticholinergic Agents
tacrolimus	C	Allergy and Immune System	Immunomodifiers
tadalafil	B1	Cardiovascular System	Vasodilators
tafluprost	B3	Ophthalmic Drugs
tamoxifen	B3	Antineoplastic Agents	Hormonal antineoplastic agents
tamsulosin	B2	Genitourinary System	Prostate hyperplasia
tapentadol	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
tasonermin	D	Allergy and Immune System	Immunomodifiers
tazarotene	D	Drugs used in Dermatology	Topical
technetium [99mTc]	C	Diagnostic Agents
tegafur	D	Antineoplastic Agents	Antimetabolites
tegaserod	B3	Alimentary System	Prokinetics
teicoplanin	B3	Antimicrobials	Antibiotics
telaprevir	B2	Antimicrobials	Antiviral agents
telbivudine	B1	Antimicrobials	Antiviral agents
telmisartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
temazepam	C	Central Nervous System	Benzodiazepines
temozolomide	D	Antineoplastic Agents	Alkylating agents
temsirolimus	D	Antineoplastic Agents
tenecteplase	C	Cardiovascular System	Fibrinolytic agents
teniposide	D	Antineoplastic Agents
tenofovir	B3	Antimicrobials	Antiviral agents
tenoxicam	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
terazosin	B2	Cardiovascular System	Antihypertensives
terazosin	B2	Genitourinary System	Bladder function disorders
terbinafine	B1	Antimicrobials	Antifungal agents (see also topical antifungals)
terbutaline	A	Cardiovascular System	Adrenergic stimulants
terbutaline	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
terfenadine	B2	Allergy and Immune System	Antihistamines
teriflunomide	X	Allergy and Immune System	Immunomodifiers
teriparatide	B3	Endocrine System	Agents affecting calcium and bone metabolism
terlipressin	D	Cardiovascular System	Haemostatic agents
testosterone	D	Endocrine System	Androgens and anabolic steroids
tetanus vaccine	A	Vaccines	Killed vaccines
tetrabenazine	B2	Central Nervous System
tetracosactrin	D	Diagnostic Agents	Pituitary-adrenal response test
tetracycline	D	Antimicrobials	Antibiotics	Tetracyclines
thalidomide	X	Allergy and Immune System	Immunomodifiers
theophylline and derivatives	A	Respiratory System	Inhalational agents	Bronchospasm relaxants
thiabendazole	B3	Antimicrobials	Anthelmintics
thiethylperazine	C	Central Nervous System	Antiemetics, antinauseants	Phenothiazines
thioguanine	D	Antineoplastic Agents	Antimetabolites
thiopentone	A	Drugs Used in Anaesthesia	General anaesthetics
thiopropazate	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
thioridazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
thiotepa	D	Antineoplastic Agents	Alkylating agents
thiothixene	C	Central Nervous System	Antipsychotic drugs
thrombin	B2	Cardiovascular System	Haemostatic agents
thyrotrophin	B2	Endocrine System	Pituitary hormones
thyrotropin alfa	B2	Diagnostic Agents	Radiographic agents
thyroxine	A	Endocrine System	Thyroid hormones
tiagabine	B3	Central Nervous System	Anticonvulsants/antiepileptics
tiaprofenic acid	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
tibolone	D	Endocrine System	Hormonal agents
ticarcillin	B2	Antimicrobials	Antibiotics	Penicillins
ticlopidine	B1	Cardiovascular System	Anticoagulants and thrombolytic agents
tigecycline	D	Antimicrobials	Antibiotics	Tetracyclines
tiludronate disodium	B2	Endocrine System	Agents affecting calcium and bone metabolism
timolol	C	Cardiovascular System	Beta-adrenergic blocking agents
timolol (ophthalmic)	C	Ophthalmic Drugs
tinidazole	B3	Antimicrobials	Antibiotics
tinzaparin	C	Cardiovascular System	Anticoagulants and thrombolytic agents
tiotropium	B1	Respiratory System	Inhalational agents	Bronchospasm relaxants
tipranavir	B3	Antimicrobials	Antiviral agents
tirilazad	B2	Cardiovascular System
tirofiban hydrochloride	B1	Cardiovascular System	Antiangina agents
tobramycin	D	Antimicrobials	Antibiotics	Aminoglycosides
tocilizumab	C	Allergy and Immune System	Immunomodifiers
tolazamide	C	Endocrine System	Hypoglycaemic agents
tolbutamide	C	Endocrine System	Hypoglycaemic agents
tolcapone	B3	Central Nervous System	Antiparkinson agents
tolterodine	B3	Genitourinary System	Prostate hyperplasia
tolvaptan	D	Cardiovascular System	Diuretics
topiramate	D	Central Nervous System	Anticonvulsants/antiepileptics
topotecan	D	Antineoplastic Agents	Antimetabolites
toremifene	B3	Antineoplastic Agents	Hormonal antineoplastic agents
tramadol	C	Central Nervous System	Analgesics and Antipyretics (see also non-steroidal anti-inflammatory agents)	Opioid analgesics
trandolapril	D	Cardiovascular System	Antihypertensives	Angiotensin converting enzyme (ACE) inhibitors
tranexamic acid	B1	Cardiovascular System	Haemostatic agents
tranylcypromine	B2	Central Nervous System	Antidepressants	Monoamine oxidase inhibitors
trastuzumab	B2	Antineoplastic Agents	Monoclonal antibodies
travoprost	B3	Ophthalmic Drugs
treprostinil	B3	Cardiovascular System	Vasodilators
tretinoin	D	Drugs used in Dermatology	Topical
tretinoin (oral)	X	Antineoplastic Agents
triamcinolone (inhaled)	B3	Endocrine System	Corticosteroids	Inhalation/intranasal
triamcinolone (systemic)	A	Endocrine System	Corticosteroids	Systemic
triamcinolone (topical)	A	Endocrine System	Corticosteroids	Topical
triamterene	C	Cardiovascular System	Diuretics	Potassium sparing diuretics
triazolam	C	Central Nervous System	Benzodiazepines
trifluoperazine	C	Central Nervous System	Antipsychotic drugs	Phenothiazines
trimeprazine	C	Allergy and Immune System	Antihistamines
trimethoprim	B3	Antimicrobials	Antibiotics
trimipramine	C	Central Nervous System	Antidepressants	Tricyclic antidepressants
triprolidine	A	Allergy and Immune System	Antihistamines
triptorelin	D	Antineoplastic Agents	Hormonal antineoplastic agents
troglitazone	B3	Endocrine System	Hypoglycaemic agents
tropicamide	B2	Ophthalmic Drugs
tropisetron	B3	Central Nervous System	Antiemetics, antinauseants
trovafloxacin	B3	Antimicrobials	Antibiotics	Quinolones
tubocurarine	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
typhoid vaccine (killed)	B2	Vaccines	Killed vaccines
typhoid vaccine (live attenuated, injection)	A	Vaccines	Live attenuated virus vaccines
typhoid vaccine (live attenuated, oral)	B2	Vaccines	Live attenuated virus vaccines
unoprostone isopropyl	B3	Ophthalmic Drugs
urea [13C]	B2	Diagnostic Agents	Radiographic agents
urofollitrophin	B2	Endocrine System	Ovulation inducers	Gonadotrophins
urokinase	B1	Cardiovascular System	Fibrinolytic agents
ursodeoxycholic acid	B3	Alimentary System	Cholelitholytics
ustekinumab	B1	Allergy and immune system	Immunomodifiers
valaciclovir	B3	Antimicrobials	Antiviral agents
valdecoxib	C	Musculoskeletal System	Non-steroidal anti-inflammatory drugs (NSAIDS)
valganciclovir	D	Antimicrobials	Antiviral agents
valsartan	D	Cardiovascular System	Antihypertensives	Angiotensin II receptor antagonists and renin inhibitors
vancomycin	B2	Antimicrobials	Antibiotics
vardenafil	B3	Cardiovascular System	Vasodilators
varenicline	B3	Agents used in dependency states
varicella vaccine	B2	Vaccines	Live attenuated virus vaccines
vasopressin	B2	Endocrine System	Antidiuretics
vecuronium	C	Drugs Used in Anaesthesia	Neuromuscular blocking agents
velaglucerase alfa	B2	Metabolism	Agents used for the treatment of metabolic disorders
vemurafenib	D	Antineoplastic Agents
venlafaxine	B2	Central Nervous System	Antidepressants
verapamil	C	Cardiovascular System	Antihypertensives	Calcium channel blockers
verteporfin	B3	Ophthalmic Drugs
vigabatrin	D	Central Nervous System	Anticonvulsants/antiepileptics
vildagliptin	B3	Endocrine System	Hypoglycaemic agents
vinblastine	D	Antineoplastic Agents	Vinca alkaloids
vincristine	D	Antineoplastic Agents	Vinca alkaloids
vindesine	D	Antineoplastic Agents	Vinca alkaloids
vinflunine	D	Antineoplastic Agents	Vinca alkaloids
vinorelbine tartrate	D	Antineoplastic Agents	Vinca alkaloids
vismodegib	X	Antineoplastic Agents
vitamin A	D	Vitamins
voriconazole	B3	Antimicrobials	Antifungal agents (see also topical antifungals)
vorinostat	D	Antineoplastic Agents
warfarin	D	Cardiovascular System	Anticoagulants and thrombolytic agents
ximelagatran	C	Cardiovascular System	Anticoagulants and thrombolytic agents
yellow fever vaccine (killed)	B2	Vaccines	Killed vaccines
yellow fever vaccine (live attenuated)	B2	Vaccines	Live attenuated virus vaccines
zafirlukast	B1	Respiratory System
zalcitabine	D	Antimicrobials	Antiviral agents
zaleplon	C	Central Nervous System	Hypnotics and sedatives
zanamivir	B1	Antimicrobials	Antiviral agents
zidovudine	B3	Antimicrobials	Antiviral agents
ziprasidone	C	Central Nervous System	Antipsychotic drugs
zoledronic acid	B3	Endocrine System	Agents affecting calcium and bone metabolism	Bisphosphonates
zolmitriptan	B3	Cardiovascular System	Antimigraine preparations
zolpidem tartrate	B3	Central Nervous System	Hypnotics and sedatives
zonisamide	D	Central Nervous System	Anticonvulsants/antiepileptics
zopiclone	C	Central Nervous System	Hypnotics and sedatives
zoster vaccine	B2	Vaccines	Live attenuated virus vaccines
zuclopenthixol	C	Central Nervous System	Antipsychotic drugs
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