Prazosin — 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. Prazosin is a active ingredient.
Total reports
Prazosin: 62
Reports by species (top entries)
- Cat 54
- Dog 8
Top reported reactions (VEDDRA terms, top entries)
- Not eating 9
- Death by euthanasia 7
- Not urinating 6
- Behavioural disorder NOS 5
- Dilated pupils 5
- Drooling 5
- Fever 5
- Seizure NOS 5
- Urinary tract infection 5
- Biting -aggression (see also Skin and appendages disorders) 4
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b24.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).