Hetacillin Potassium — 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. Hetacillin Potassium is a active ingredient.
Total reports
Hetacillin Potassium: 44
Reports by species (top entries)
- Cattle 32
Top reported reactions (VEDDRA terms, top entries)
- Residues in milk 21
- Lack of efficacy (bacteria) - NOS 7
- Underfilling, Package 3
- Containers, Damaged 2
- Death 2
- Product Defect, General 2
- Product syringe issue 2
- Tubes, Leaking 2
- Alteration of milk quality 1
- Blindness 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b25.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).