Levamisole — 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. Levamisole is a active ingredient.
Total reports
Levamisole: 165
Reports by species (top entries)
- Cattle 130
- Human 14
- Sheep 8
- Goat 4
- Dog 2
- Horse 2
Top reported reactions (VEDDRA terms, top entries)
- Death 48
- Alopecia NOS 23
- Scale 21
- Hypersalivation 15
- Dermatitis 14
- Recumbency 10
- Skin slough 10
- Diarrhoea 8
- Lack of efficacy - NOS 8
- Skin lesion NOS 8
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b19.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).