Drug profile

The FDA adverse-event record for Unknown Shampoo

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

89
adverse-event reports
5.6%
death-coded share
Dog
most-reported species
32
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.
89
Total Reports
5
Deaths Reported
5.6%
Death Rate

Active Ingredients

Unknown Shampoo

Administration Routes

TopicalUnknownOtherImmersion

Species Affected

Dog 72
Cat 17

Most Affected Breeds

Terrier - Yorkshire 12
Domestic Shorthair 10
Chihuahua 6
Retriever - Labrador 4
Cat (unknown) 4
Shih Tzu 4
Dog (unknown) 4
Boxer (German Boxer) 4
Spitz - German Pomeranian 3
Maltese 3

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 32
Pruritus 27
Behavioural disorder NOS 9
Diarrhoea 8
Ataxia 8
Anorexia 8
Other abnormal test result NOS 7
Twitching 7
Lethargy (see also Central nervous system depression in 'Neurological') 6
Vomiting 6
Seizure NOS 6
Lack of efficacy - NOS 6

Outcome Breakdown

Outcome Unknown
53 (59.6%)
Recovered/Normal
19 (21.3%)
Ongoing
12 (13.5%)
Euthanized
3 (3.4%)
Died
2 (2.2%)

Unknown Shampoo Adverse Event Insights

89 reports name Unknown Shampoo; 5 recorded a death outcome (5.6% of reported events, not a population-level mortality rate). Active ingredient: Unknown Shampoo. Administration routes: Topical, Unknown, Other, Immersion.

By species: Dog (72 reports), Cat (17 reports). By breed: Terrier - Yorkshire (12), Domestic Shorthair (10), Chihuahua (6).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (32), Pruritus (27), Behavioural disorder NOS (9), Diarrhoea (8). Outcome, 89 coded reports: Outcome Unknown leads at 59.6%.

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.