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FDA ADE reports for Niacinamide

ade_niacinamide_adverse_events

ade en 2026-07-22

Niacinamide — 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. Niacinamide is a active ingredient.

Total reports

Niacinamide: 51

Reports by species (top entries)

  • Dog 50
  • Human 1

Top reported reactions (VEDDRA terms, top entries)

  • Diarrhoea 8
  • Lethargy (see also Central nervous system depression in 'Neurological') 6
  • Vomiting 6
  • Anorexia 5
  • Lack of efficacy - NOS 5
  • Lethargy (see also Central nervous system depression in Neurological) 5
  • Seizure NOS 5
  • Elevated alanine aminotransferase (ALT) 4
  • Leucocytosis NOS 4
  • Not eating 4

Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b24.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).

Sources

FDA ADE reports for Niacinamide (active ingredient) — total reports, species & reaction breakdown
Source document: FDA FAERS / openFDA Animal & Veterinary Event Reports
US FDA Center for Veterinary Medicine (openFDA animal & veterinary event database)retrieved 2026-07-22

Verification file: pdf-raw/ade/ade_active_ingredients_2026-07-22_b24.json

Link points to the issuing authority's site; a direct document link is still being verified.

Machine access

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Raw JSON ↗ llm.txt OpenAPI