FDA ADE reports for imidacloprid (neonicotinoid ectoparasiticide (flea)) — total reports, species & reaction breakdown

ade_imidacloprid_adverse_events

ade 197 tok en 2026-07-21

imidacloprid — 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 2026-07-21. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. imidacloprid is a neonicotinoid ectoparasiticide (flea).

Total reports

imidacloprid: 29079

Reports by species (top entries)

Dog 17629
Cat 9191
Human 556
Rabbit 39
Ferret 21
Cockatiel 7

Top reported reactions (VEDDRA terms, top entries)

Lack of efficacy (ectoparasite) - flea 4690
Pruritus 3070
Lethargy (see also Central nervous system depression in 'Neurological') 2972
Vomiting 2705
Behavioural disorder NOS 2429
Hypersalivation 1767
Anorexia 1586
Diarrhoea 1531
Application site alopecia 1306
Ataxia 1260

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

Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-21.json (openFDA animalandveterinary/event.json, pulled 2026-07-21).

Sources

openFDA animalandveterinary/event.json (FDA CVM adverse event reports), pulled 2026-07-21

Machine access

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Raw JSON ↗ llm.txt OpenAPI