Erythromycin — 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. Erythromycin is a active ingredient.
Total reports
Erythromycin: 87
Reports by species (top entries)
- Cat 36
- Dog 18
- Cattle 14
- Human 4
- Horse 1
- Pig 1
Top reported reactions (VEDDRA terms, top entries)
- Death 9
- Death by euthanasia 7
- Lack of efficacy - NOS 7
- Other abnormal test result NOS 7
- Vomiting 7
- Digestive tract disorder NOS 6
- Hypersalivation 6
- Neutrophilia 6
- Ocular discharge 6
- Product syringe issue 6
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b21.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).