Why this verdict for dogs
THC is toxic to dogs, whether from edibles, buds or second-hand smoke. Edibles are doubly risky when they also contain chocolate or xylitol.
Warning signs to watch for
- Wobbly, uncoordinated walk
- Dribbling urine
- Dazed or over-sensitive to sound and touch
- Low body temperature
⚠ If your dog ate marijuana (cannabis)
Act immediately — don't wait for symptoms.
- Call your vet or a pet poison helpline right away.
- Note how much was eaten and when.
- Do not induce vomiting unless a professional tells you to.
Poisoning emergencies are expensive
A single toxicity visit can cost hundreds. Compare pet insurance plans that cover accidents and poisoning.
Frequently asked questions
Can dogs eat marijuana (cannabis)?
No. THC is toxic to dogs, whether from edibles, buds or second-hand smoke. Edibles are doubly risky when they also contain chocolate or xylitol.
How much marijuana (cannabis) can dogs have?
None — marijuana (cannabis) is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is marijuana (cannabis) safe for cats too?
Verdicts can differ between species. See the cat answer for marijuana (cannabis) →
More household items for dogs
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List