Drug profile

The FDA adverse-event record for Vetoryl

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

78
adverse-event reports
15.4%
death-coded share
Dog
most-reported species
13
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.
78
Total Reports
12
Deaths Reported
15.4%
Death Rate

Active Ingredients

Vetoryl

Administration Routes

UnknownOralSubcutaneous

Species Affected

Dog 78

Most Affected Breeds

Retriever - Labrador 6
Terrier (unspecified) 5
Chihuahua 5
Shih Tzu 4
Boxer (German Boxer) 4
Retriever - Golden 4
Terrier - West Highland White 4
Crossbred Canine/dog 4
Terrier - Fox Wire 3
Maltese 3

Most Reported Reactions

Lethargy (see also Central nervous system depression in Neurological) 13
Diarrhoea 9
Vomiting 8
Weakness 7
Death by euthanasia 7
Partial lack of efficacy 7
Unable to walk 6
Ataxia 6
Proprioception deficit 5
Knuckling 5
Death 5
Polydipsia 5

Outcome Breakdown

Ongoing
42 (53.8%)
Outcome Unknown
15 (19.2%)
Recovered/Normal
9 (11.5%)
Euthanized
7 (9.0%)
Died
5 (6.4%)

Vetoryl Adverse Event Insights

78 reports name Vetoryl; 12 recorded a death outcome (15.4% of reported events, not a population-level mortality rate). Active ingredient: Vetoryl. Administration routes: Unknown, Oral, Subcutaneous.

By species: Dog (78 reports). By breed: Retriever - Labrador (6), Terrier (unspecified) (5), Chihuahua (5).

Leading clinical signs: Lethargy (see also Central nervous system depression in Neurological) (13), Diarrhoea (9), Vomiting (8), Weakness (7). Outcome, 78 coded reports: Ongoing leads at 53.8%.

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.