Roxarsone — 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. Roxarsone is a active ingredient.
Total reports
Roxarsone: 16
Reports by species (top entries)
- Human 5
- Chicken 3
- Dog 3
- Turkey 2
- Cattle 1
- Horse 1
Top reported reactions (VEDDRA terms, top entries)
- Death 7
- Accidental exposure 5
- Unclassifiable adverse event 4
- Anorexia 3
- Depression 2
- Inappropriate preparation of medication 2
- Recumbency 2
- Skin lesion NOS 2
- Ataxia 1
- Autoimmune disorder NOS 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b29.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).