Drug profile

The FDA adverse-event record for Flea And Tick Shampoo

156 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Flea And Tick Shampoo. See the species affected, top reactions, and outcomes below.

156
adverse-event reports
1.3%
death-coded share
Dog
most-reported species
92
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.
156
Total Reports
2
Deaths Reported
1.3%
Death Rate

Active Ingredients

Flea And Tick Shampoo

Administration Routes

TopicalCutaneousUnknownOther

Species Affected

Dog 134
Cat 22

Most Affected Breeds

Chihuahua 18
Crossbred Canine/dog 13
Dog (unknown) 13
Domestic Shorthair 13
Retriever - Labrador 8
Shih Tzu 5
Poodle (unspecified) 5
Shepherd Dog - German 5
Maltese 5
Dachshund (unspecified) 4

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 92
Lack of efficacy (flea) 30
Product label issues 16
Pruritus 10
Vocalisation 9
Overdose 9
Itching 8
Lack of efficacy - NOS 7
Lethargy (see also Central nervous system depression in 'Neurological') 7
Behavioural disorder NOS 6
Scratching 5
Lack of efficacy (ectoparasite) - tick NOS 4

Outcome Breakdown

Outcome Unknown
127 (81.4%)
Ongoing
14 (9.0%)
Recovered/Normal
13 (8.3%)
Died
1 (0.6%)
Euthanized
1 (0.6%)

Flea And Tick Shampoo Adverse Event Insights

156 reports name Flea And Tick Shampoo; 2 recorded a death outcome (1.3% of reported events, not a population-level mortality rate). Active ingredient: Flea And Tick Shampoo. Administration routes: Topical, Cutaneous, Unknown, Other.

By species: Dog (134 reports), Cat (22 reports). By breed: Chihuahua (18), Crossbred Canine/dog (13), Dog (unknown) (13).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (92), Lack of efficacy (flea) (30), Product label issues (16), Pruritus (10). Outcome, 156 coded reports: Outcome Unknown leads at 81.4%.

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.