Hydromorphone — 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. Hydromorphone is a active ingredient.
Total reports
Hydromorphone: 909
Reports by species (top entries)
- Dog 669
- Cat 226
- Rabbit 5
- Goat 2
- Cougar 1
- Lizard 1
Top reported reactions (VEDDRA terms, top entries)
- Vomiting 98
- Death 80
- Not eating 79
- Lethargy (see also Central nervous system depression in 'Neurological') 69
- Lack of efficacy - NOS 65
- Other abnormal test result NOS 64
- Injection site swelling 59
- Anorexia 57
- Tachycardia 57
- Death by euthanasia 56
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b11.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).