Drug profile

The FDA adverse-event record for Lyme,Leptospirosis Vaccine

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

15
adverse-event reports
6.7%
death-coded share
Dog
most-reported species
5
Other abnormal test result NOS - 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.
15
Total Reports
1
Deaths Reported
6.7%
Death Rate

Active Ingredients

Lyme,Leptospirosis Vaccine

Administration Routes

UnknownSubcutaneous

Species Affected

Dog 15

Most Affected Breeds

Retriever - Labrador 5
Crossbred Canine/dog 2
Corgi - Welsh Cardigan 1
American Pit Bull Terrier 1
Lhasa Apso 1
Pit Bull 1
Coton de Tuléar 1
Shih Tzu 1
Weimaraner 1
Pointing Dog - German Short-haired 1

Most Reported Reactions

Other abnormal test result NOS 5
Lack of efficacy (endoparasite) - heartworm 5
Vomiting 3
Mucous stool 3
Pasty stool 3
Urinary incontinence 3
Lack of efficacy (endoparasite) - hookworm 3
Lack of efficacy (endoparasite) - whipworm 2
Pica NOS 2
Lack of efficacy (bacteria) - Borrelia 2
Lack of efficacy (ectoparasite) - tick NOS 2
Allergy NOS 2

Outcome Breakdown

Ongoing
7 (46.7%)
Outcome Unknown
6 (40.0%)
Recovered/Normal
1 (6.7%)
Euthanized
1 (6.7%)

Lyme,Leptospirosis Vaccine Adverse Event Insights

15 reports name Lyme,Leptospirosis Vaccine; 1 recorded a death outcome (6.7% of reported events, not a population-level mortality rate). Active ingredient: Lyme,Leptospirosis Vaccine. Administration routes: Unknown, Subcutaneous.

By species: Dog (15 reports). By breed: Retriever - Labrador (5), Crossbred Canine/dog (2), Corgi - Welsh Cardigan (1).

Leading clinical signs: Other abnormal test result NOS (5), Lack of efficacy (endoparasite) - heartworm (5), Vomiting (3), Mucous stool (3). Outcome, 15 coded reports: Ongoing leads at 46.7%.

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.