Oxybendazole — 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. Oxybendazole is a active ingredient.
Total reports
Oxybendazole: 122
Reports by species (top entries)
- Horse 111
- Donkey 2
- Human 2
- Mule 1
Top reported reactions (VEDDRA terms, top entries)
- Colic 57
- Diarrhoea 46
- Lethargy (see also Central nervous system depression in 'Neurological') 19
- Loose stool 17
- Anorexia 14
- Decreased appetite 12
- Fever 6
- Tachycardia 6
- Decreased activity 5
- Tachypnoea 5
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b20.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).