Sulfamethazine — 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. Sulfamethazine is a active ingredient.
Total reports
Sulfamethazine: 113
Reports by species (top entries)
- Cattle 13
- Chicken 7
- Other Birds 4
- Dog 2
- Goat 1
- Human 1
Top reported reactions (VEDDRA terms, top entries)
- Vials, Leaking 20
- Death 18
- Containers, Damaged 13
- Caps, Abnormal 10
- Seal, Abnormal 7
- Color, Abnormal 6
- Containers, Abnormal 5
- Physical label missing 5
- Tablets, Abnormal 5
- Solution, Abnormal 4
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b20.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).