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FDA ADE reports for heartgard — total reports, species & reaction breakdown

ade_heartgard_adverse_events

ade 200 tok en 2026-08-16

heartgard — 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 2026-08-16. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. "heartgard" is a name as filed in the drug active-ingredient field of these reports (may be a generic ingredient or a product/brand name as reported).

Total reports

heartgard: 539

Reports by species (top entries)

  • Dog 539

Top reported reactions (VEDDRA terms, top entries)

  • Lack of efficacy (endoparasite) - heartworm 275
  • Vomiting 47
  • Seizure NOS 33
  • Diarrhoea 23
  • Lethargy (see also Central nervous system depression in Neurological) 19
  • Death by euthanasia 18
  • Polyuria 18
  • Emesis (multiple) 17
  • Panting 16
  • Lethargy (see also Central nervous system depression in 'Neurological') 14

"Lack of efficacy" terms denote product-performance reports, not adverse reactions.

Source JSON: pdf-raw/ade/ade_active_ingredients_2026-08-16_b1.json (openFDA animalandveterinary/event.json, pulled 2026-08-16).

Sources

FDA ADE reports for heartgard — 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 2026-08-16

Verification file: pdf-raw/ade/ade_active_ingredients_2026-08-16_b1.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