Drug profile

The FDA adverse-event record for Vaccine

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

438
adverse-event reports
20.1%
death-coded share
Dog
most-reported species
117
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.
438
Total Reports
88
Deaths Reported
20.1%
Death Rate

Active Ingredients

Vaccine

Administration Routes

UnknownSubcutaneousIntramuscularOralNasalRespiratory (Inhalation)TopicalVaginalParenteral

Species Affected

Dog 271
Cat 145
Cattle 19
Horse 3

Most Affected Breeds

Domestic Shorthair 112
Retriever - Labrador 26
Dog (unknown) 15
Maltese 14
Retriever - Golden 13
Crossbred Canine/dog 12
Domestic Longhair 12
Cattle (unknown) 10
Chihuahua 9
Shih Tzu 9

Most Reported Reactions

Vomiting 117
Lethargy (see also Central nervous system depression in 'Neurological') 101
Death by euthanasia 37
Death 35
Anorexia 34
Ataxia 33
Seizure NOS 30
Diarrhoea 30
Lack of efficacy - NOS 26
Behavioural disorder NOS 24
Other abnormal test result NOS 24
Fever 24

Outcome Breakdown

Recovered/Normal
171 (37.2%)
Ongoing
97 (21.1%)
Outcome Unknown
95 (20.7%)
Died
51 (11.1%)
Euthanized
39 (8.5%)
Recovered with Sequela
7 (1.5%)

Vaccine Adverse Event Insights

438 reports name Vaccine; 88 recorded a death outcome (20.1% of reported events, not a population-level mortality rate). Active ingredient: Vaccine. Administration routes: Unknown, Subcutaneous, Intramuscular, Oral.

By species: Dog (271 reports), Cat (145 reports), Cattle (19 reports). By breed: Domestic Shorthair (112), Retriever - Labrador (26), Dog (unknown) (15).

Leading clinical signs: Vomiting (117), Lethargy (see also Central nervous system depression in 'Neurological') (101), Death by euthanasia (37), Death (35). Outcome, 460 coded reports: Recovered/Normal leads at 37.2%.

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.