Zoalene — 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. Zoalene is a active ingredient.
Total reports
Zoalene: 13
Reports by species (top entries)
- Chicken 12
- Turkey 1
Top reported reactions (VEDDRA terms, top entries)
- Lack of efficacy (protozoa) - Coccidia 6
- Death 5
- Increased mortality rate 4
- Lack of efficacy - NOS 3
- Ataxia 1
- Death by euthanasia 1
- Decreased drinking 1
- Dermatitis 1
- Enteritis 1
- Gangrene 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b28.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).