Drug profile

The FDA adverse-event record for Unspecified Vaccines

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

226
adverse-event reports
9.3%
death-coded share
Dog
most-reported species
58
Vomiting - 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.
226
Total Reports
21
Deaths Reported
9.3%
Death Rate

Active Ingredients

Unspecified Vaccines

Administration Routes

UnknownSubcutaneousTopical

Species Affected

Dog 176
Cat 49
Cattle 1

Most Affected Breeds

Domestic Shorthair 34
Retriever - Labrador 29
Retriever - Golden 13
Chihuahua 8
Shih Tzu 8
Crossbred Canine/dog 8
Shepherd Dog - German 7
Dog (unknown) 6
Terrier - Yorkshire 5
Dachshund (unspecified) 5

Most Reported Reactions

Vomiting 58
Diarrhoea 38
Lethargy (see also Central nervous system depression in 'Neurological') 25
Seizure NOS 18
Anorexia 17
Lethargy (see also Central nervous system depression in Neurological) 16
Decreased appetite 14
Emesis (multiple) 13
Death by euthanasia 12
Weight loss 11
Fever 11
Behavioural disorder NOS 11

Outcome Breakdown

Outcome Unknown
79 (35.0%)
Recovered/Normal
74 (32.7%)
Ongoing
51 (22.6%)
Euthanized
12 (5.3%)
Died
9 (4.0%)
Recovered with Sequela
1 (0.4%)

Unspecified Vaccines Adverse Event Insights

226 reports name Unspecified Vaccines; 21 recorded a death outcome (9.3% of reported events, not a population-level mortality rate). Active ingredient: Unspecified Vaccines. Administration routes: Unknown, Subcutaneous, Topical.

By species: Dog (176 reports), Cat (49 reports), Cattle (1 reports). By breed: Domestic Shorthair (34), Retriever - Labrador (29), Retriever - Golden (13).

Leading clinical signs: Vomiting (58), Diarrhoea (38), Lethargy (see also Central nervous system depression in 'Neurological') (25), Seizure NOS (18). Outcome, 226 coded reports: Outcome Unknown leads at 35.0%.

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.