Drug profile

The FDA adverse-event record for Ursodial

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

19
adverse-event reports
15.8%
death-coded share
Dog
most-reported species
4
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.
19
Total Reports
3
Deaths Reported
15.8%
Death Rate

Active Ingredients

Ursodial

Administration Routes

OralUnknown

Species Affected

Dog 18
Cat 1

Most Affected Breeds

Spitz - German Pomeranian 3
Retriever - Labrador 3
Chihuahua 2
Spaniel - King Charles Cavalier 2
Lhasa Apso 1
Domestic Shorthair 1
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 1
Terrier - Rat 1
Terrier - Jack Russell 1
Terrier - Yorkshire 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in Neurological) 4
Inappropriate urination 4
Vomiting 3
Death 3
Panting 3
Anorexia 3
Cardiac arrest 3
Diarrhoea 2
Polyuria 2
Polydipsia 2
Increased heart rate 2
Uncomfortable 2

Outcome Breakdown

Ongoing
8 (42.1%)
Outcome Unknown
4 (21.1%)
Recovered/Normal
4 (21.1%)
Died
3 (15.8%)

Ursodial Adverse Event Insights

19 reports name Ursodial; 3 recorded a death outcome (15.8% of reported events, not a population-level mortality rate). Active ingredient: Ursodial. Administration routes: Oral, Unknown.

By species: Dog (18 reports), Cat (1 reports). By breed: Spitz - German Pomeranian (3), Retriever - Labrador (3), Chihuahua (2).

Leading clinical signs: Lethargy (see also Central nervous system depression in Neurological) (4), Inappropriate urination (4), Vomiting (3), Death (3). Outcome, 19 coded reports: Ongoing leads at 42.1%.

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.