Drug profile

The FDA adverse-event record for Marijuana

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

19
adverse-event reports
0.0%
death-coded share
Dog
most-reported species
7
Lethargy (see also Central nervous system depression in 'Neurological') - 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

Marijuana

Administration Routes

OralUnknownRespiratory (Inhalation)

Species Affected

Dog 15
Human 3
Cat 1

Most Affected Breeds

Unknown 3
Siberian Husky 2
Terrier (unspecified) 1
Pug 1
American Pit Bull Terrier 1
Retriever - Nova Scotia Duck Tolling 1
Shepherd Dog - German 1
Pit Bull 1
Terrier - Jack Russell 1
Shepherd Dog - Australian 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 7
Vomiting 4
Unable to stand 3
Shaking 3
Accidental exposure 3
Seizure NOS 3
Inappropriate urination 2
Reduced responses 2
Overdose 2
Diarrhoea 2
Ataxia 2
Loss of consciousness 2

Outcome Breakdown

Outcome Unknown
8 (42.1%)
Ongoing
6 (31.6%)
Recovered/Normal
5 (26.3%)

Marijuana Adverse Event Insights

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

By species: Dog (15 reports), Human (3 reports), Cat (1 reports). By breed: Unknown (3), Siberian Husky (2), Terrier (unspecified) (1).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (7), Vomiting (4), Unable to stand (3), Shaking (3). Outcome, 19 coded reports: Outcome Unknown leads at 42.1%.

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.