Ranitidine — 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. Ranitidine is a active ingredient.
Total reports
Ranitidine: 58
Reports by species (top entries)
- Dog 50
- Human 6
- Cat 1
- Horse 1
Top reported reactions (VEDDRA terms, top entries)
- Vomiting 13
- Emesis 11
- Lethargy (see also Central nervous system depression in 'Neurological') 8
- Other abnormal test result NOS 8
- Diarrhoea 6
- Accidental exposure 5
- Anorexia 4
- Death 4
- Decreased appetite 4
- Elevated serum alkaline phosphatase (SAP) 4
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b24.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).