Drug profile

The FDA adverse-event record for Unspecified Lepto Vaccine

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

14
adverse-event reports
28.6%
death-coded share
Dog
most-reported species
4
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.
14
Total Reports
4
Deaths Reported
28.6%
Death Rate

Active Ingredients

Unspecified Lepto Vaccine

Administration Routes

UnknownSubcutaneous

Species Affected

Dog 14

Most Affected Breeds

Deutsche Dogge, Great Dane 2
Spitz - German Pomeranian 2
Retriever - Labrador 1
Weimaraner 1
Collie - Border 1
Spaniel (unspecified) 1
Hound (unspecified) 1
Siberian Husky 1
Poodle - Standard 1
Terrier - Yorkshire 1

Most Reported Reactions

Vomiting 4
Seizure NOS 3
Death by euthanasia 3
Lethargy (see also Central nervous system depression in Neurological) 3
Lethargy (see also Central nervous system depression in 'Neurological') 2
Anorexia 2
Ataxia 2
Pain NOS 2
Neutropenia 2
Diarrhoea 2
Anaemia NOS 2
Polydipsia 2

Outcome Breakdown

Ongoing
4 (28.6%)
Recovered/Normal
3 (21.4%)
Outcome Unknown
3 (21.4%)
Euthanized
3 (21.4%)
Died
1 (7.1%)

Unspecified Lepto Vaccine Adverse Event Insights

14 reports name Unspecified Lepto Vaccine; 4 recorded a death outcome (28.6% of reported events, not a population-level mortality rate). Active ingredient: Unspecified Lepto Vaccine. Administration routes: Unknown, Subcutaneous.

By species: Dog (14 reports). By breed: Deutsche Dogge, Great Dane (2), Spitz - German Pomeranian (2), Retriever - Labrador (1).

Leading clinical signs: Vomiting (4), Seizure NOS (3), Death by euthanasia (3), Lethargy (see also Central nervous system depression in Neurological) (3). Outcome, 14 coded reports: Ongoing leads at 28.6%.

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.