Drug profile

The FDA adverse-event record for Dasequin

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

41
adverse-event reports
14.6%
death-coded share
Dog
most-reported species
8
Ataxia - 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.
41
Total Reports
6
Deaths Reported
14.6%
Death Rate

Active Ingredients

Dasequin

Administration Routes

UnknownOral

Species Affected

Dog 37
Cat 4

Most Affected Breeds

Retriever - Labrador 10
Shepherd Dog - German 4
Crossbred Canine/dog 4
Terrier - Bull - American Pit 3
Domestic Shorthair 2
Spaniel (unspecified) 2
Shepherd Dog - Australian 2
Spitz - American Eskimo Dog 1
Pug 1
Ragdoll 1

Most Reported Reactions

Ataxia 8
Lack of efficacy - NOS 5
Elevated alanine aminotransferase (ALT) 5
Vomiting 5
Elevated serum alkaline phosphatase (ALP) 5
Partial lack of efficacy 5
Seizure NOS 4
Lethargy (see also Central nervous system depression in Neurological) 4
Limb weakness 4
Difficulty to rise 4
Nystagmus 3
Panting 3

Outcome Breakdown

Ongoing
29 (70.7%)
Recovered/Normal
4 (9.8%)
Euthanized
3 (7.3%)
Died
3 (7.3%)
Recovered with Sequela
1 (2.4%)
Outcome Unknown
1 (2.4%)

Dasequin Adverse Event Insights

41 reports name Dasequin; 6 recorded a death outcome (14.6% of reported events, not a population-level mortality rate). Active ingredient: Dasequin. Administration routes: Unknown, Oral.

By species: Dog (37 reports), Cat (4 reports). By breed: Retriever - Labrador (10), Shepherd Dog - German (4), Crossbred Canine/dog (4).

Leading clinical signs: Ataxia (8), Lack of efficacy - NOS (5), Elevated alanine aminotransferase (ALT) (5), Vomiting (5). Outcome, 41 coded reports: Ongoing leads at 70.7%.

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.