Drug profile

The FDA adverse-event record for Flumethrin, Imidacloprid

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

15
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
5
Lethargy (see also Central nervous system depression in 'Neurological') - 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.
15
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Flumethrin, Imidacloprid

Administration Routes

TopicalUnknown

Species Affected

Dog 13
Cat 2

Most Affected Breeds

Retriever - Labrador 2
Terrier (unspecified) 2
Shepherd Dog - German 2
Retriever - Golden 1
Sheepdog - Shetland 1
Corgi (unspecified) 1
Bulldog 1
Havanese 1
Dachshund - Standard Long-haired 1
Cat (unknown) 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 5
Anorexia 4
Diarrhoea 3
Other abnormal test result NOS 3
Vomiting 2
Staring 2
Hyperactivity 2
Emesis 1
Retching 1
Twitching 1
Blood in urine 1
Application site pruritus 1

Outcome Breakdown

Outcome Unknown
6 (40.0%)
Recovered/Normal
5 (33.3%)
Ongoing
4 (26.7%)

Flumethrin, Imidacloprid Adverse Event Insights

15 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 routes: Topical, Unknown.

By species: Dog (13 reports), Cat (2 reports). By breed: Retriever - Labrador (2), Terrier (unspecified) (2), Shepherd Dog - German (2).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (5), Anorexia (4), Diarrhoea (3), Other abnormal test result NOS (3). Outcome, 15 coded reports: Outcome Unknown leads at 40.0%.

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.