Drug profile

The FDA adverse-event record for Vaccinations

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

45
adverse-event reports
13.3%
death-coded share
Dog
most-reported species
11
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.
45
Total Reports
6
Deaths Reported
13.3%
Death Rate

Active Ingredients

Vaccinations

Administration Routes

UnknownSubcutaneousOralIntramuscular

Species Affected

Dog 30
Cat 14
Horse 1

Most Affected Breeds

Domestic Shorthair 10
Retriever - Labrador 4
Dog (unknown) 3
Collie (unspecified) 2
Retriever - Golden 2
Chihuahua 2
Crossbred Canine/dog 2
Domestic Mediumhair 2
Spaniel - Cocker American 1
Coton de Tuléar 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 11
Vomiting 10
Anorexia 9
Emesis 8
Behavioural disorder NOS 5
Other abnormal test result NOS 4
Death 4
Diarrhoea 4
Weight loss 3
Scratching 3
Disorientation 3
Recumbency 2

Outcome Breakdown

Recovered/Normal
29 (64.4%)
Outcome Unknown
9 (20.0%)
Died
4 (8.9%)
Euthanized
2 (4.4%)
Ongoing
1 (2.2%)

Vaccinations Adverse Event Insights

45 reports name Vaccinations; 6 recorded a death outcome (13.3% of reported events, not a population-level mortality rate). Active ingredient: Vaccinations. Administration routes: Unknown, Subcutaneous, Oral, Intramuscular.

By species: Dog (30 reports), Cat (14 reports), Horse (1 reports). By breed: Domestic Shorthair (10), Retriever - Labrador (4), Dog (unknown) (3).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (11), Vomiting (10), Anorexia (9), Emesis (8). Outcome, 45 coded reports: Recovered/Normal leads at 64.4%.

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.