Gabapentin — 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 2026-07-21. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. Gabapentin is a anticonvulsant/analgesic.
Total reports
Gabapentin: 10445
Reports by species (top entries)
- Dog 8575
- Cat 1836
- Human 17
- Horse 3
- Ferret 2
- Goat 2
Top reported reactions (VEDDRA terms, top entries)
- Vomiting 1597
- Diarrhoea 1170
- Death by euthanasia 1157
- Lethargy (see also Central nervous system depression in Neurological) 1113
- Not eating 916
- Lack of efficacy - NOS 877
- Decreased appetite 688
- Elevated alanine aminotransferase (ALT) 673
- Ataxia 641
- Lethargy (see also Central nervous system depression in 'Neurological') 634
"Lack of efficacy" terms denote product-performance reports, not adverse reactions.
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-21.json (openFDA animalandveterinary/event.json, pulled 2026-07-21).