Peppermint Oil — 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. Peppermint Oil is a active ingredient.
Total reports
Peppermint Oil: 9
Reports by species (top entries)
- Cat 7
- Dog 2
Top reported reactions (VEDDRA terms, top entries)
- Lack of efficacy (ectoparasite) - flea 6
- Pruritus 4
- Biting - pruritus (see also 'Behavioural disorders') 3
- Scratching 3
- Appetite loss 1
- Application site dermatitis 1
- Application site pain 1
- Collapse NOS (see also Cardio-vascular and Neurological disorders) 1
- Excessive thirst 1
- Lethargy (see also Central nervous system depression in 'Neurological') 1
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b30.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).