Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Flucytosine
Drug ID BADD_D00913
Description A fluorinated cytosine analog that is used as an antifungal agent.
Indications and Usage For the treatment (in combination with amphotericin B) of serious infections caused by susceptible strains of Candida (septicemia, endocarditis and urinary system infections) and/or Cryptococcus (meningitis and pulmonary infections).
Marketing Status approved; investigational
ATC Code D01AE21; J02AX01
DrugBank ID DB01099
KEGG ID D00323
MeSH ID D005437
PubChem ID 3366
TTD Drug ID D0S5WG
NDC Product Code 59348-0016; 63629-2148; 73309-270; 42494-339; 43386-770; 0187-3554; 63629-2147; 42973-193; 40032-771; 0187-3555; 63629-9156; 63629-9157; 0054-0428; 0904-6834; 59651-331; 59651-332; 23155-861; 43386-771; 60687-599; 0054-0427; 51927-4508; 42494-340; 50268-332; 0904-6835; 66639-008; 71666-001; 60687-610; 71052-466; 23155-860; 40032-770; 42794-009; 42794-010; 50268-331
UNII D83282DT06
Synonyms Flucytosine | 5-Fluorocytosine | Ancobon | Ancotil | Alcobon
Chemical Information
Molecular Formula C4H4FN3O
CAS Registry Number 2022-85-7
SMILES C1=NC(=O)NC(=C1F)N
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)
Abdominal pain07.01.05.002--
Agranulocytosis01.02.03.001---
Anaemia01.03.02.001--
Aplastic anaemia01.03.03.002---
Asthenia08.01.01.001---
Ataxia08.01.02.004; 17.02.02.001--
Azotaemia20.01.01.001---
Blood bilirubin increased13.03.04.018--
Blood creatinine increased13.13.01.004--
Blood urea increased13.13.01.006---
Body temperature increased13.15.01.001---
Cardiac arrest02.03.04.001--
Chest pain02.02.02.011; 08.01.08.002; 22.12.02.003---
Colitis07.08.01.001--
Colitis ulcerative07.08.01.005; 10.02.01.004---
Confusional state17.02.03.005; 19.13.01.001--
Crystalluria20.02.01.003---
Deafness04.02.01.001---
Death08.04.01.001--
Dermatitis23.03.04.002---
Diarrhoea07.02.01.001--
Dry mouth07.06.01.002--
Duodenal ulcer07.04.02.002--
Dyspnoea02.11.05.003; 22.02.01.004--
Enterocolitis07.08.03.003--
Eosinophilia01.02.04.001--
Fatigue08.01.01.002--
Feeling abnormal08.01.09.014---
Gastrointestinal haemorrhage07.12.02.001; 24.07.02.009---
Gastrointestinal pain07.01.05.005--
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ADReCS-Target
Drug Name ADR Term Target
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