Cannabis and pets: keeping animals safe
Cannabis can make pets seriously ill. How to prevent it, spot the signs, and what to do.
This one matters: cannabis is genuinely dangerous for pets, and accidental poisonings have risen sharply since legalization, usually from a dog finding an edible. A little prevention avoids a scary vet visit.
Why it’s risky for animals
Pets, especially dogs, are far more sensitive to THC than people. Edibles are the biggest danger: they’re tasty to dogs, and chocolate or xylitol in them adds separate toxic risks on top of the THC.
Signs of cannabis poisoning
If a pet may have gotten into cannabis, watch for:
- Wobbliness, stumbling, or trouble standing
- Dribbling urine, lethargy, or unusual drowsiness
- Dilated pupils, low heart rate, vomiting
- In severe cases, tremors or collapse
What to do
- Don’t wait it out, call a vet or an animal poison line immediately.
- Be honest about what and how much they ingested. Vets don’t report you; the information helps them treat your pet.
- Bring packaging if you can, especially for edibles (chocolate/xylitol changes treatment).
Most pets recover with prompt care, but it can be serious, speed matters.
Prevention
- Store all cannabis, especially edibles, sealed and well out of reach, like you would medication.
- Never exhale smoke or vapour toward an animal.
- Clean up promptly; dogs are fast.
Sources
- Health Canada, Cannabis and accidental poisoning
Frequently asked questions
Is cannabis dangerous for pets?
Yes. Pets, especially dogs, are very sensitive to THC, and edibles are a common cause of poisoning. Keep all cannabis sealed and out of reach.
What do I do if my pet eats cannabis?
Call your vet or an animal poison line right away. Be honest about what they ate; vets are there to help, not to judge.
What are signs of cannabis poisoning in pets?
Wobbliness, lethargy, dribbling urine, sensitivity to sound or touch, and a glazed look. It is rarely fatal but needs veterinary attention.
Can secondhand smoke affect pets?
It is best to keep smoke away from animals. Choose smoke-free formats around them, and store edibles like medication.
Know your local rules
Legal age, where to buy, and where you can use it all change by province.
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