Diltiazem — 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. Diltiazem is a veterinary active ingredient.
Total reports
Diltiazem: 51
Reports by species (top entries)
- Dog 33
- Cat 10
- Human 8
Top reported reactions (VEDDRA terms, top entries)
- Death 8
- Death by euthanasia 6
- Lack of efficacy - NOS 6
- Vomiting 6
- Anorexia 5
- Abnormal ultrasound finding 4
- Accidental exposure 4
- Decreased appetite 4
- Diarrhoea 4
- Lethargy (see also Central nervous system depression in Neurological) 4
"Lack of efficacy" terms denote product-performance reports, not adverse reactions.
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b6.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).