Fexofenadine Hcl — 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. Fexofenadine Hcl is a active ingredient.
Total reports
Fexofenadine Hcl: 20
Reports by species (top entries)
- Dog 13
- Human 6
- Cat 1
Top reported reactions (VEDDRA terms, top entries)
- Vomiting 5
- Lethargy (see also Central nervous system depression in 'Neurological') 4
- Accidental exposure 3
- Anxiety 2
- Diarrhoea 2
- Elevated blood urea nitrogen (BUN) 2
- Elevated serum alkaline phosphatase (SAP) 2
- Emesis 2
- INEFFECTIVE, ATOPY CONTROL 2
- Lack of efficacy (ectoparasite) - flea 2
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b31.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).