Drug profile

The FDA adverse-event record for Unspecified Vaccine

66 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Unspecified Vaccine. Species, reactions, and outcomes follow.

#969 of 2,679
by report volume (all drugs)
66
adverse-event reports
9.1%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Unspecified Vaccine ranks #959 of 2679 by total reports (66) and #590 of 1130 by death-coded share (9.1%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#959
This drug, reports of 2679
#590
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Unspecified Vaccine has 66 reports now versus 63 in that prior snapshot: 3 more (4.8%).

Report change
+3
Death-coded reports
+0
Death-coded share
−0.4 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Unspecified Vaccine changes

Signature read: report volume at 66 is the most distinctive stamp on Unspecified Vaccine's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
66
Total Reports
6
Deaths Reported
9.1%
Death-coded share of reports

Active Ingredients

Unspecified Vaccine

Administration Routes

UnknownSubcutaneousParenteral

Species Affected

Dog 46
Cat 16
Cattle 3
Horse 1

Most Affected Breeds

Domestic Shorthair 11
Retriever - Labrador 6
Pit Bull 4
Retriever - Golden 4
Shepherd Dog - German 3
Terrier - Boston 3
Chihuahua 2
Cat (unknown) 2
Bengal 2
Cattle (unknown) 2

Most Reported Reactions

Vomiting 23
Diarrhoea 9
Ataxia 8
Lethargy (see also Central nervous system depression in Neurological) 8
Lethargy (see also Central nervous system depression in 'Neurological') 6
Seizure NOS 5
Emesis (multiple) 5
Behavioural disorder NOS 4
Facial oedema 4
Not eating 4
Death by euthanasia 3
Allergic reaction 3

Outcome Breakdown

Outcome Unknown
27 (40.9%)
Ongoing
19 (28.8%)
Recovered/Normal
13 (19.7%)
Euthanized
3 (4.5%)
Died
3 (4.5%)
Recovered with Sequela
1 (1.5%)

Unspecified Vaccine Adverse Event Insights

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.

Nationwide drugs with similar profiles

Two openFDA-derived peer sets for Unspecified Vaccine, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

What to do with this drug

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Unspecified Vaccine (#969 of 2,679 by report volume); death-coded 9.1%. PlainBreed drug row · report volume stamp 66 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →