FDA ADE reports for Nitenpyram (neonicotinoid adulticide (flea)) — total reports, species & reaction breakdown

ade_nitenpyram_adverse_events

ade 197 tok en 2026-07-21

Nitenpyram — 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. Nitenpyram is a neonicotinoid adulticide (flea).

Total reports

Nitenpyram: 21322

Reports by species (top entries)

Dog 10648
Cat 8657
Human 158
Other 63
Ferret 5
Other Canids 2

Top reported reactions (VEDDRA terms, top entries)

Lack of efficacy (ectoparasite) - flea 6628
Hyperactivity 2528
Panting 2089
Lack of efficacy (flea) 1767
Vomiting 1465
Vocalisation 1460
Lethargy (see also Central nervous system depression in 'Neurological') 1275
Scratching 1164
Agitation 1106
Pruritus 1045

"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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