Finasteride — 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. Finasteride is a active ingredient.
Total reports
Finasteride: 11
Reports by species (top entries)
- Dog 8
- Human 3
Top reported reactions (VEDDRA terms, top entries)
- Inappropriate urination 3
- Lethargy (see also Central nervous system depression in 'Neurological') 3
- Confusion 2
- Crystalluria 2
- Limb weakness 2
- Pacing 2
- Panting 2
- Polydipsia 2
- Polyuria 2
- Prostate hyperplasia 2
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b33.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).