Naloxone — 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. Naloxone is a active ingredient.
Total reports
Naloxone: 127
Reports by species (top entries)
- Cat 87
- Dog 39
- Ferret 1
Top reported reactions (VEDDRA terms, top entries)
- Death 27
- Behavioural disorder NOS 26
- Dilated pupils 25
- Not eating 23
- Death by euthanasia 22
- Hypothermia 18
- Ataxia 17
- Dysphoria 16
- Cardiac arrest 14
- Other abnormal test result NOS 14
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b20.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).