Drug profile

The FDA adverse-event record for 4-In-1 Canine Vaccine

17 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference 4-In-1 Canine Vaccine. See the species affected, top reactions, and outcomes below.

17
adverse-event reports
23.5%
death-coded share
Dog
most-reported species
8
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.
17
Total Reports
4
Deaths Reported
23.5%
Death Rate

Active Ingredients

4-In-1 Canine Vaccine

Administration Routes

ParenteralSubcutaneousUnknown

Species Affected

Dog 17

Most Affected Breeds

Pit Bull 4
Retriever - Labrador 4
Terrier - Yorkshire 2
Terrier - Boston 1
Boxer (German Boxer) 1
Poodle - Standard 1
Retriever - Golden 1
Retriever (unspecified) 1
Sheepdog - Shetland 1
Mountain Cur 1

Most Reported Reactions

Vomiting 8
Death 3
Decreased appetite 3
Depression 2
Lethargy (see also Central nervous system depression in 'Neurological') 2
Not eating 2
Decreased urine concentration 2
Lack of efficacy - NOS 2
Behavioural disorder NOS 2
Respiratory distress 1
Sleepiness - neurological disorder 1
Inappropriate urination 1

Outcome Breakdown

Recovered/Normal
9 (52.9%)
Died
3 (17.6%)
Outcome Unknown
3 (17.6%)
Euthanized
1 (5.9%)
Ongoing
1 (5.9%)

4-In-1 Canine Vaccine Adverse Event Insights

17 reports name 4-In-1 Canine Vaccine; 4 recorded a death outcome (23.5% of reported events, not a population-level mortality rate). Active ingredient: 4-In-1 Canine Vaccine. Administration routes: Parenteral, Subcutaneous, Unknown.

By species: Dog (17 reports). By breed: Pit Bull (4), Retriever - Labrador (4), Terrier - Yorkshire (2).

Leading clinical signs: Vomiting (8), Death (3), Decreased appetite (3), Depression (2). Outcome, 17 coded reports: Recovered/Normal leads at 52.9%.

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.