Drug profile

The FDA adverse-event record for Shampoo

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

509
adverse-event reports
5.1%
death-coded share
Dog
most-reported species
218
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.
509
Total Reports
26
Deaths Reported
5.1%
Death Rate

Active Ingredients

Shampoo

Administration Routes

TopicalUnknownCutaneous

Species Affected

Dog 432
Cat 71
Human 2
Ferret 1
Rabbit 1
Cattle 1
Goat 1

Most Affected Breeds

Chihuahua 36
Shih Tzu 30
Terrier - Yorkshire 29
Domestic Shorthair 29
Crossbred Canine/dog 28
Maltese 20
Dog (unknown) 20
Retriever - Labrador 16
Shepherd Dog - German 14
Cat (unknown) 13

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 218
Pruritus 119
Lethargy (see also Central nervous system depression in 'Neurological') 50
Behavioural disorder NOS 40
Vomiting 36
Diarrhoea 29
Anorexia 27
Weight loss 24
Application site pruritus 23
Ataxia 22
Scratching 21
Other abnormal test result NOS 20

Outcome Breakdown

Outcome Unknown
282 (55.4%)
Ongoing
111 (21.8%)
Recovered/Normal
85 (16.7%)
Died
13 (2.6%)
Euthanized
13 (2.6%)
Recovered with Sequela
5 (1.0%)

Shampoo Adverse Event Insights

509 reports name Shampoo; 26 recorded a death outcome (5.1% of reported events, not a population-level mortality rate). Active ingredient: Shampoo. Administration routes: Topical, Unknown, Cutaneous.

By species: Dog (432 reports), Cat (71 reports), Human (2 reports). By breed: Chihuahua (36), Shih Tzu (30), Terrier - Yorkshire (29).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (218), Pruritus (119), Lethargy (see also Central nervous system depression in 'Neurological') (50), Behavioural disorder NOS (40). Outcome, 509 coded reports: Outcome Unknown leads at 55.4%.

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.