Is Marijuana Toxic to Cats?

Yes — Marijuana is moderately toxic to cats

Cannabis toxicity in pets has risen dramatically with legalization. Edibles are more dangerous than plant material due to higher THC concentrations and often containing chocolate or xylitol.

Symptoms in Cats

If your cat eats Marijuana, watch for these symptoms (onset: 30 minutes to 3 hours):

Incoordination
Dilated pupils
Urinary incontinence
Slow heart rate
Hypothermia
Seizures (edibles)

What To Do

Contact vet. Most cases are mild but edibles (with chocolate or xylitol) can be severe. Be honest with your vet about exposure.

Quick Facts

Scientific Name

Cannabis sativa

Also Toxic to Dogs?

Yes (moderate)

Toxic Compound

THC (delta-9-tetrahydrocannabinol)

Toxic Parts

all parts, flowers, edibles

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Marijuana toxicity profile.