Alfaxalone — 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. Alfaxalone is a active ingredient.
Total reports
Alfaxalone: 993
Reports by species (top entries)
- Dog 476
- Cat 457
- Rabbit 22
- Guinea Pig 4
- Human 4
- Ferret 2
Top reported reactions (VEDDRA terms, top entries)
- Death 141
- Cardiac arrest 76
- Bradycardia 75
- Not eating 73
- Lack of efficacy - NOS 69
- Vomiting 62
- Diarrhoea 53
- Seizure NOS 52
- Tachycardia 51
- Apnoea 49
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b11.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).