Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Azathioprine
Drug ID BADD_D00195
Description Azathioprine is a prodrug of 6-mercaptopurine, first synthesized in 1956 by Gertrude Elion, William Lange, and George Hitchings in an attempt to produce a derivative of 6-mercaptopurine with a better therapeutic index.[A189678,A189687,A189690] Azathioprine is used to treat inflammatory conditions like rheumatoid arthritis and as an immunosuppressant in the prevention of renal transplant rejection.[L11214] Azathiprine was granted FDA approval on 20 March 1968.[L11214]
Indications and Usage Azathioprine is indicated to treat rheumatoid arthritis and prevent renal transplant rejection.[L11214]
Marketing Status approved
ATC Code L04AX01
DrugBank ID DB00993
KEGG ID D00238
MeSH ID D001379
PubChem ID 2265
TTD Drug ID D07QCE
NDC Product Code 62991-2189; 65649-231; 67877-492; 68084-229; 68382-120; 51407-182; 68382-118; 72789-129; 46014-1110; 70771-1141; 60219-1076; 60219-2036; 60219-2037; 68382-003; 48954-909; 51927-0071; 68682-241; 70518-3544; 70771-1140; 51927-2258; 54766-590; 65841-602; 12780-0300; 38779-0312; 66122-0009; 42291-063; 68462-502; 71610-124; 42291-071; 68682-231; 70771-1139; 15308-0732; 49452-0783; 67877-493; 51552-0779; 65649-241; 67877-494; 67877-495; 68382-119; 42973-143
UNII MRK240IY2L
Synonyms Azathioprine | Azothioprine | Imurel | Imuran | Immuran | Azathioprine Sodium | Sodium, Azathioprine | Azathioprine Sodium Salt | Azathioprine Sulfate
Chemical Information
Molecular Formula C9H7N7O2S
CAS Registry Number 446-86-6
SMILES CN1C=NC(=C1SC2=NC=NC3=C2NC=N3)[N+](=O)[O-]
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice.
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Drug hypersensitivity10.01.01.001---
Drug ineffective08.06.01.0060.038443%-
Drug interaction08.06.03.0010.003415%-
Dry skin23.03.03.001--
Dysaesthesia17.02.06.003; 23.03.03.0770.000313%
Dyspnoea exertional02.11.05.005; 22.02.01.0050.000470%-
Dysuria20.02.02.0020.000627%
Ectopic pregnancy18.02.02.0020.000313%-
Eczema23.03.04.0060.001159%
Endometriosis21.07.01.004---
Enteritis07.08.03.0020.002820%
Enterocolitis07.08.03.0030.000470%
Eosinophilia01.02.04.0010.000627%
Eosinophilic myocarditis01.02.04.007; 02.04.03.0020.001253%-
Eosinophilic pneumonia01.02.04.003; 22.01.01.0040.000783%-
Episcleritis06.04.07.001; 10.02.01.0240.000846%-
Erythema multiforme10.01.03.015; 23.03.01.0030.000313%
Erythema nodosum10.02.01.020; 23.07.02.0010.003446%-
Exostosis15.02.04.005--
Eye discharge06.04.05.001---
Eye inflammation06.04.05.0020.000470%-
Faeces discoloured07.01.03.002---
Fatigue08.01.01.002--
Febrile neutropenia01.02.03.002; 08.05.02.0040.001723%
Feeling abnormal08.01.09.014---
Feeling cold08.01.09.0080.000313%-
Feeling hot08.01.09.009---
Fibrosis08.03.01.0010.000940%-
Fistula15.03.02.0010.004543%-
Flank pain08.01.08.007; 15.03.04.003; 20.02.03.006--
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ADReCS-Target
Drug Name ADR Term Target
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