Cyanocobalamin — 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. Cyanocobalamin is a active ingredient.
Total reports
Cyanocobalamin: 17
Reports by species (top entries)
- Cat 8
- Dog 6
- Human 1
Top reported reactions (VEDDRA terms, top entries)
- Decreased appetite 4
- Hiding 3
- Vomiting 3
- Behavioural disorder NOS 2
- Conjunctivitis 2
- Dental disease 2
- Diarrhoea 2
- Elevated total bilirubin 2
- Hyperglycaemia 2
- Hypersalivation 2
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b29.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).