Losartan — 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. Losartan is a active ingredient.
Total reports
Losartan: 29
Reports by species (top entries)
- Human 26
- Dog 3
Top reported reactions (VEDDRA terms, top entries)
- Accidental exposure 10
- Diarrhoea 6
- Feeling anxious 5
- Bad taste 4
- Headache 3
- High blood pressure 3
- Increased heart rate 3
- Light headedness 3
- Nervousness 3
- Dizziness 2
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b26.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).