Meclizine — 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. Meclizine is a active ingredient.
Total reports
Meclizine: 120
Reports by species (top entries)
- Dog 104
- Cat 13
- Human 2
- Rabbit 1
Top reported reactions (VEDDRA terms, top entries)
- Ataxia 46
- Nystagmus 43
- Vestibular disorder NOS 42
- Head tilt - neurological disorder (see also Head tilt - ear disorder) 30
- Vomiting 29
- Head tilt - ear disorder 24
- Anorexia 23
- Diarrhoea 20
- Behavioural disorder NOS 19
- Lethargy (see also Central nervous system depression in Neurological) 19
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b20.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).