Drug profile

The FDA adverse-event record for Flumethrin Imidacloprid

52 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Flumethrin Imidacloprid. See the species affected, top reactions, and outcomes below.

52
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
40
Lack of efficacy (ectoparasite) - flea - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
52
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Flumethrin Imidacloprid

Administration Routes

Topical

Species Affected

Dog 38
Cat 14

Most Affected Breeds

Domestic Shorthair 6
Retriever - Labrador 4
Domestic Longhair 4
Pit Bull 3
Great Pyrenees 3
Shepherd Dog - German 3
Dog (unknown) 2
Domestic Mediumhair 2
Chihuahua 2
Dachshund (unspecified) 2

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 40
Pruritus 8
Skin disorders NOS 6
Scratching 6
Hair loss NOS 4
Application site bleeding 4
Chewing - pruritus (see also Oral cavity disorders) 4
Application site hair loss 3
Alopecia local 3
Twitching 3
Warm feeling to the touch 2
Application site scab 2

Outcome Breakdown

Outcome Unknown
46 (88.5%)
Ongoing
5 (9.6%)
Recovered/Normal
1 (1.9%)

Flumethrin Imidacloprid Adverse Event Insights

52 reports name Flumethrin Imidacloprid; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Flumethrin Imidacloprid. Administration route: Topical.

By species: Dog (38 reports), Cat (14 reports). By breed: Domestic Shorthair (6), Retriever - Labrador (4), Domestic Longhair (4).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (40), Pruritus (8), Skin disorders NOS (6), Scratching (6). Outcome, 52 coded reports: Outcome Unknown leads at 88.5%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.