Toxic
Dog ate cannabis and THC products? Toxic: what to do now
THC from cannabis makes dogs wobbly, sleepy or jumpy and can cause leaking urine. Concentrated edibles can be more serious.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI
Cannabis and THC products and dogs: key facts
- Verdict
- Toxic · Call your vet or a poison line
- What it can do
- Wobbly, uncoordinated walking, sleepiness or low energy, leaking urine, vomiting and startling at sound or movement. All 8
- How fast
- 30 minutes to 4 hours
- What to do now
- Call your vet or a pet poison line now. All steps
- Sources
- VCA Animal Hospitals, Merck Veterinary Manual, Pet Poison Helpline. Reviewed 9 October 2026.
What should I do if my dog ate cannabis and THC products?
- Call your vet or a pet poison line now.
- Tell the vet exactly what your dog ate. Edibles may also contain chocolate or xylitol.
- Keep your dog in a quiet, calm place.
- Go to an emergency vet if your dog can't stand, has a seizure or is hard to wake.
Don't
- Don't make your dog vomit unless a vet tells you to.
Symptoms to watch for
- Wobbly, uncoordinated walking
- Sleepiness or low energy
- Leaking urine
- Vomiting
- Startling at sound or movement
- Trembling
- Slow heart rate
- Seizures or coma (rare, severe cases)
When signs appear: 30 minutes to 4 hours
Why
There is no safe amount of psychoactive THC for dogs, and dogs have many cannabinoid receptors in their brains. Deaths are rare but have followed highly concentrated products.
Sources
- VCA Animal Hospitals: Cannabis (Marijuana) Intoxication in Cats and Dogs
- Merck Veterinary Manual: Toxicosis in Dogs and Cats From Tetrahydrocannabinol (THC)
- Pet Poison Helpline: Marijuana
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.