Drug profile

The FDA adverse-event record for Garlic

19 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Garlic. See the species affected, top reactions, and outcomes below.

19
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
10
Lack of efficacy (ectoparasite) - flea - 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.
19
Total Reports
0
Deaths Reported
0.0%
Death Rate

Active Ingredients

Garlic

Administration Routes

OralUnknown

Species Affected

Dog 18
Human 1

Most Affected Breeds

Shepherd Dog - Australian 5
Retriever - Labrador 3
Collie - Border 1
Dog (unknown) 1
Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 1
Unknown 1
Dachshund (unspecified) 1
Terrier - Yorkshire 1
Shih Tzu 1
Crossbred Canine/dog 1

Most Reported Reactions

Lack of efficacy (ectoparasite) - flea 10
Lack of efficacy - NOS 8
Scratching 7
Emesis 4
Nausea 2
Icterus 1
Polydipsia 1
Polyuria 1
Inappetence 1
Lethargy (see also Central nervous system depression in 'Neurological') 1
Weight loss 1
Dehydration 1

Outcome Breakdown

Recovered with Sequela
6 (31.6%)
Recovered/Normal
6 (31.6%)
Outcome Unknown
5 (26.3%)
Ongoing
2 (10.5%)

Garlic Adverse Event Insights

19 reports name Garlic; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). Active ingredient: Garlic. Administration routes: Oral, Unknown.

By species: Dog (18 reports), Human (1 reports). By breed: Shepherd Dog - Australian (5), Retriever - Labrador (3), Collie - Border (1).

Leading clinical signs: Lack of efficacy (ectoparasite) - flea (10), Lack of efficacy - NOS (8), Scratching (7), Emesis (4). Outcome, 19 coded reports: Recovered with Sequela leads at 31.6%.

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.