Allopurinol — FDA Animal & Veterinary Adverse Event (ADE) Reports
Source: openFDA animalandveterinary/event.json, the FDA Center for Veterinary Medicine (CVM) adverse event report database. Data pulled 2026-07-22. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. Allopurinol is a active ingredient.
Total reports
Allopurinol: 17
Reports by species (top entries)
- Dog 12
- Human 4
- Other Birds 1
Top reported reactions (VEDDRA terms, top entries)
- Death 2
- Elevated serum alkaline phosphatase (SAP) 2
- Emesis 2
- Lack of efficacy - NOS 2
- Leucocytosis NOS 2
- Reluctant to move 2
- Abnormal posture NOS 1
- Accidental exposure 1
- Application site blister 1
- Application site burning sensation 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b32.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).