Marbofloxacin — 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. Marbofloxacin is a veterinary active ingredient.
Total reports
Marbofloxacin: 1834
Reports by species (top entries)
- Dog 1220
- Cat 559
- Human 6
- Other 3
- Parrot 1
- Rabbit 1
Top reported reactions (VEDDRA terms, top entries)
- Vomiting 292
- Anorexia 251
- Lack of efficacy (bacteria) - NOS 211
- Death by euthanasia 145
- Depression 143
- Lethargy (see also Central nervous system depression in 'Neurological') 135
- Ataxia 118
- Death 118
- Diarrhoea 103
- Weight loss 101
"Lack of efficacy" terms denote product-performance reports, not adverse reactions.
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b6.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).