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Dog ate marijuana? Here’s what to do

It’s not just the THC in weed that can cause health issues.

No matter how closely you watch your dog, they can still gobble things up that you didn’t see coming — like marijuana. Marijuana comes in many different forms, so whether your pup accidentally ingests a leftover joint on the sidewalk or gets into a plate of pot brownies, it’s helpful to be prepared. We spoke to Dr. Emily Singler, VMD, to get a veterinarian’s perspective on what to do if your dog eats weed.

How toxic is cannabis to dogs?

“Marijuana is toxic to dogs because of the ingredient Delta-9-tetrahydrocannabinol (THC), which causes a ‘high’ in those who consume it,” Dr. Singler says. “THC can cause potentially serious health problems in dogs if a sufficient dose is consumed.”

While THC is what makes weed dangerous to dogs, there are other factors that can also exacerbate the harm. For example, joint wrappers might include tobacco or pesticides which are bad for dogs. Edibles or pot brownies may contain xylitol or chocolate, both of which are toxic to dogs, creating even more health complications beyond the THC.

How to tell if your dog ate marijuana

According to Dr. Singler, signs that your dog ate marijuana can include: 

  • Low energy levels
  • Incoordination
  • Sensitivity to sound or touch
  • Agitation
  • Dilated pupils 
  • Leaking urine

If a pup eats a lot of weed, coma and seizures could also occur — however, these reactions are uncommon.

What should I do if my dog ate weed?

If you think your pup ate marijuana, call the pet poison control hotline (800-213-6680) and try to determine what form of cannabis your pet ingested and how much. Next, visit your vet's office as soon as possible. Don't try to help your dog throw up the marijuana unless advised by a vet, as it can sometimes cause more complications.

Veterinarians diagnose marijuana consumption through your dog's physical signs and any relevant information you share. So, it’s crucial to be as thorough as possible when explaining the situation to your dog’s vet. 

“It’s very important for pet parents to share this information with their vet, even if it feels embarrassing or uncomfortable,” Dr. Singler says. “Veterinarians only want to help their patients and aren’t there to judge pet parents or get them in trouble.”

If you’re unsure if your pup ate marijuana, your veterinarian might use a urine drug-screening test to look for signs of exposure, Dr. Singler adds.

How do veterinarians treat dogs that ate marijuana?

“Most cases of marijuana exposure in dogs are treated with supportive care, meaning treatment to improve any effects or complications the drug causes while allowing the body to process and get rid of the drug on its own,” Dr. Singler explains. 

Depending on your dog’s case, treatment could include ensuring they’re hydrated, don’t hurt themselves, have a safe body temperature and any seizures are managed (if they occur). Sometimes, dogs with mild cases can be monitored at home, but it’s up to a veterinarian to determine if that’s okay. 

“Pet parents should take special care to keep cannabis products out of their dog’s reach and call their vet right away if they’re concerned about their dog's health,” Dr. Singler adds.

The Dig, Fetch Pet Insurance's expert-backed editorial, answers all of the questions you forget to ask your vet or are too embarrassed to ask at the dog park. We help make sure you and your best friend have more good days, but we’re there on bad days, too.

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Photo by Alvan Nee on Unsplash

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