Drug profile

The FDA adverse-event record for Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine

79 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine. See the species affected, top reactions, and outcomes below.

79
adverse-event reports
10.1%
death-coded share
Dog
most-reported species
18
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.
79
Total Reports
8
Deaths Reported
10.1%
Death Rate

Active Ingredients

Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine

Administration Routes

UnknownParenteralSubcutaneous

Species Affected

Dog 79

Most Affected Breeds

Retriever - Labrador 13
Retriever - Golden 7
Chihuahua 6
Crossbred Canine/dog 5
Beagle 4
Terrier - Jack Russell 3
Pit Bull 2
Retriever (unspecified) 2
Terrier - Yorkshire 2
Shepherd Dog - German 2

Most Reported Reactions

Vomiting 18
Lethargy (see also Central nervous system depression in 'Neurological') 13
Diarrhoea 12
Seizure NOS 9
Other abnormal test result NOS 8
Lack of efficacy (endoparasite) - heartworm 7
Lack of efficacy - NOS 6
Behavioural disorder NOS 5
Monocytosis 5
Lack of efficacy (virus) - parvovirus (including feline panleukopenia) 5
Death by euthanasia 4
Death 4

Outcome Breakdown

Outcome Unknown
29 (36.7%)
Recovered/Normal
28 (35.4%)
Ongoing
13 (16.5%)
Euthanized
4 (5.1%)
Died
4 (5.1%)
Recovered with Sequela
1 (1.3%)

Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine Adverse Event Insights

79 reports name Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine; 8 recorded a death outcome (10.1% of reported events, not a population-level mortality rate). Active ingredient: Canine Distemper + Adenovirus Type 2 + Parainfluenza + Parvovirus Vaccine. Administration routes: Unknown, Parenteral, Subcutaneous.

By species: Dog (79 reports). By breed: Retriever - Labrador (13), Retriever - Golden (7), Chihuahua (6).

Leading clinical signs: Vomiting (18), Lethargy (see also Central nervous system depression in 'Neurological') (13), Diarrhoea (12), Seizure NOS (9). Outcome, 79 coded reports: Outcome Unknown leads at 36.7%.

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.