Drug profile

The FDA adverse-event record for Claro

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

100
adverse-event reports
20.0%
death-coded share
Dog
most-reported species
26
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.
100
Total Reports
20
Deaths Reported
20.0%
Death Rate

Active Ingredients

Claro

Administration Routes

Auricular (Otic)UnknownTopicalOral

Species Affected

Dog 95
Cat 5

Most Affected Breeds

Retriever - Golden 11
Retriever - Labrador 11
Dog (unknown) 6
Boxer (German Boxer) 6
Crossbred Canine/dog 5
Terrier - Bull - American Pit 4
Beagle 4
Dog (other) 4
Shih Tzu 3
Pug 3

Most Reported Reactions

Lethargy (see also Central nervous system depression in Neurological) 26
Vomiting 20
Death by euthanasia 15
Diarrhoea 14
Anorexia 13
Decreased appetite 10
Panting 9
Seizure NOS 9
Musculoskeletal disorder NOS 7
Unable to stand 7
Anaphylaxis 7
Fever 7

Outcome Breakdown

Ongoing
54 (53.5%)
Recovered/Normal
16 (15.8%)
Euthanized
15 (14.9%)
Outcome Unknown
10 (9.9%)
Died
5 (5.0%)
Recovered with Sequela
1 (1.0%)

Claro Adverse Event Insights

100 reports name Claro; 20 recorded a death outcome (20.0% of reported events, not a population-level mortality rate). Active ingredient: Claro. Administration routes: Auricular (Otic), Unknown, Topical, Oral.

By species: Dog (95 reports), Cat (5 reports). By breed: Retriever - Golden (11), Retriever - Labrador (11), Dog (unknown) (6).

Leading clinical signs: Lethargy (see also Central nervous system depression in Neurological) (26), Vomiting (20), Death by euthanasia (15), Diarrhoea (14). Outcome, 101 coded reports: Ongoing leads at 53.5%.

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.