My Dog Accidentally Ate Weed! Now What?

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Marijuana toxicity is becoming more commonly seen in dogs, with the legalization of this drug in many states. If your dog accidentally ingests this product, you must call your veterinarian for advice as they could suffer from various side effects.


Moderate toxicity – depending on the amount consumed

Table of Content

Key points

  • Marijuana can cause a wide range of side effects in dogs
  • You must tell your veterinarian what has occurred so that they can provide the correct treatment for your dog
  • Treatment may involve inducing vomiting and/or supportive care
  • Prognosis is favorable when prompt treatment occurs


Common in:

Dogs of any age or breed, but particularly young, curious dogs that are prone to eating things they perhaps shouldn’t.

Symptoms of toxycity:

  • Sedation or lethargy
  • Dilated pupils or glazed expression
  • Difficulty walking
  • Vomiting
  • Changes in heart rate 
  • Agitation
  • Tremors
  • Seizures
  • Potential coma

Understanding the diagnostics

Learning about the causes

In most cases, ingestion in dogs is accidental, often because medicinal cannabis or cannabis oils are easily accessible at home.

Best treatment options

Make your pet vomit

Provide supportive care

Home remedies and their effectiveness

You must seek veterinary attention, and not attempt any form of home remedies.

The quicker you seek treatment the better your dog’s recovery will be, so don’t waste any time at home and make sure you get your pet seen immediately.

When to see a vet

Please don’t be embarrassed or afraid - your veterinarian will not judge you or report you to the police.


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