Diclazuril — 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. Diclazuril is a active ingredient.
Total reports
Diclazuril: 35
Reports by species (top entries)
- Horse 5
- Chicken 4
- Turkey 4
Top reported reactions (VEDDRA terms, top entries)
- Underfilling, Package 13
- Increased mortality rate 3
- Lack of efficacy - NOS 3
- Appearance, Abnormal 2
- Containers, Damaged 2
- Lack of efficacy (protozoa) - Coccidia 2
- Loose stool 2
- Underfilling, Container 2
- Abdominal pain 1
- Aggression 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b28.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).