Drug profile

The FDA adverse-event record for Unspecified Flea Topical

10 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Unspecified Flea Topical. See the species affected, top reactions, and outcomes below.

10
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
8
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.
10
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Unspecified Flea Topical

Administration Routes

Topical

Species Affected

Dog 6
Cat 4

Most Affected Breeds

Cat (unknown) 2
Domestic Shorthair 2
Pit Bull 2
Terrier - Yorkshire 2
Terrier - Jack Russell 1
Chihuahua 1

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 8
Decreased appetite 1
Pica NOS 1
Chewing - pruritus (see also Oral cavity disorders) 1
Scratching 1

Outcome Breakdown

Outcome Unknown
8 (80.0%)
Recovered/Normal
2 (20.0%)

Unspecified Flea Topical Adverse Event Insights

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

By species: Dog (6 reports), Cat (4 reports). By breed: Cat (unknown) (2), Domestic Shorthair (2), Pit Bull (2).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (8), Decreased appetite (1), Pica NOS (1), Chewing - pruritus (see also Oral cavity disorders) (1). Outcome, 10 coded reports: Outcome Unknown leads at 80.0%.

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.