Can Dogs Get High from Eating Weed? What Pet Parents Need to Know

It’s a scenario no pet parent wants to imagine: You walk into the room to find your curious pup nosing around a crumpled joint or a half-eaten edible on the floor. Your heart races as you notice their pupils are dilated, they’re stumbling like they’ve had one too many, and they can’t seem to settle down. Panic sets in: Did my dog just get into my weed? Can dogs even get high from eating it?

If you’ve ever asked yourself this question, you’re not alone. With the growing legalization of marijuana in many places, accidental pet exposures are on the rise. The short answer is yes—dogs can get high from eating weed, and it’s not just a harmless mishap. In fact, marijuana toxicity in dogs is a serious concern that requires immediate attention.

In this post, we’ll break down everything you need to know: how marijuana affects dogs, the risks involved, what to do if your pup ingests it, and how to keep them safe. Let’s dive in.

Table of Contents

1. Can Dogs Get High from Eating Weed? The Short Answer
2. How Marijuana Affects Dogs: THC and Canine Biology
3. Risks of Dogs Ingesting Weed: Symptoms and Severity
4. Are There Any Benefits of Weed for Dogs? Spoiler: No
5. How Much Weed Is Dangerous for Dogs? There’s No “Safe” Amount
6. What to Do If Your Dog Eats Weed: Immediate Steps
7. Healthier Alternatives: Supporting Your Dog Without Weed
8. FAQ: Common Questions About Dogs and Weed
9. Conclusion: Keep Your Pup Safe and Healthy

Can Dogs Get High from Eating Weed? The Short Answer

Yes, dogs can get high from eating weed. Marijuana contains tetrahydrocannabinol (THC), the psychoactive compound that produces the “high” in humans. When dogs ingest THC—whether from raw cannabis flower, edibles (like brownies or gummies), oils, or concentrates—their bodies react strongly to it.

But here’s the critical part: marijuana is not safe for dogs. Unlike humans, dogs lack the same metabolic enzymes to process THC efficiently, making them far more sensitive to its effects. What might be a mild high for a human can quickly escalate into toxicity for a dog, even in small amounts.

How Marijuana Affects Dogs: THC and Canine Biology

To understand why weed is dangerous for dogs, let’s start with biology. Both humans and dogs have an endocannabinoid system (ECS), a network of receptors that regulate functions like mood, appetite, and pain. THC binds to these receptors, disrupting normal ECS signaling.

However, dogs have more cannabinoid receptors in their brains and central nervous systems than humans do. This means even a tiny dose of THC can overwhelm their system, leading to stronger, more unpredictable effects. Additionally, dogs metabolize THC much slower than humans—so the high (and its risks) lasts longer, often 12–24 hours or more.

Risks of Dogs Ingesting Weed: Symptoms and Severity

Marijuana toxicity in dogs can range from mild discomfort to life-threatening crisis. The severity depends on factors like your dog’s size, the amount of THC ingested, and the form of marijuana (e.g., a potent concentrate vs. a small piece of flower).

Common Symptoms of Marijuana Toxicity in Dogs:

• Lethargy or depression: Your dog may seem “out of it,” unresponsive, or unable to stand.
• Incoordination: Stumbling, swaying, or “drunken” movements (ataxia).
• Dilated pupils: Eyes may appear large and unblinking.
• Vomiting or diarrhea: THC irritates the stomach, leading to gastrointestinal upset.
• Increased heart rate or low blood pressure: Can cause weakness or collapse.
• Tremors or seizures: In severe cases, THC can trigger neurological issues.
• Urinary incontinence: Some dogs lose control of their bladder.
• Coma or respiratory depression: Rare but possible with high doses, especially from concentrates.

Hidden Dangers in Edibles:

Edibles (like pot brownies, cookies, or gummies) are especially risky for dogs. Not only do they contain THC, but they’re often packed with other harmful ingredients:

• Chocolate: Toxic to dogs (contains theobromine, which they can’t metabolize).
• Xylitol: A sugar substitute that causes rapid insulin release, leading to life-threatening low blood sugar.
• High sugar/fat: Can cause pancreatitis, a painful inflammation of the pancreas.

Even a small edible can be a double (or triple) threat to your pup.

Are There Any Benefits of Weed for Dogs? Spoiler: No

You might have heard claims that marijuana “calms” dogs or helps with pain, but let’s be clear: there are no proven benefits of recreational marijuana for dogs. In fact, the ASPCA and American Veterinary Medical Association (AVMA) strongly advise against giving dogs any form of THC-containing marijuana.

What about CBD? CBD (cannabidiol) is a non-psychoactive compound in cannabis, and some veterinary studies suggest it may help with conditions like arthritis or anxiety. However, CBD products for pets must be THC-free and vet-approved. Recreational weed (which contains THC) is not the same as therapeutic CBD, and mixing the two is dangerous.

How Much Weed Is Dangerous for Dogs? There’s No “Safe” Amount

There’s no “minimum” dose of THC that’s safe for dogs. Even a small amount can cause problems, especially for small breeds. For example:

• A 5mg THC edible could sicken a 10-pound Chihuahua.
• A large dog (e.g., 80-pound Lab) might tolerate a bit more, but it’s still risky.

Concentrates (like wax, shatter, or oils) are the most dangerous—they contain up to 90% THC, so even a pea-sized amount can be toxic for any dog.

What to Do If Your Dog Eats Weed: Immediate Steps

If you suspect your dog has ingested marijuana, act fast. Here’s what to do:

1. Stay Calm and Assess the Situation

Check for evidence: Is there a chewed joint, empty edible package, or spilled oil? Note the form (flower, edible, concentrate) and approximate amount—this will help your vet treat them.

2. Contact Your Vet or Animal Poison Control Immediately

Don’t wait for symptoms to appear. Call your veterinarian right away, or reach out to a 24/7 poison hotline:

• ASPCA Animal Poison Control: (888) 426-4435 (fee applies).
• Pet Poison Helpline: (855) 764-7661 (fee applies).

3. Do NOT Induce Vomiting Unless Told to Do So

Vomiting can worsen irritation if your dog ate sharp plant material or edibles with chocolate/xylitol. Let the vet guide you.

4. Monitor Your Dog Closely

Keep them in a quiet, safe space and watch for symptoms like lethargy, vomiting, or seizures. Offer small sips of water if they’re alert, but don’t force food.

5. Follow Your Vet’s Treatment Plan

Treatment may include IV fluids to flush THC from the system, anti-nausea meds, or supportive care for seizures. Most dogs recover fully with prompt treatment, but delays can lead to complications.

Healthier Alternatives: Supporting Your Dog Without Weed

If you’re looking to help your dog with anxiety, pain, or other issues, there are safe, vet-approved alternatives to marijuana:

For Anxiety:

• ThunderShirts: Gentle pressure can calm stressed dogs during storms or travel.
• Pheromone diffusers: Products like Adaptil release calming pheromones.
• Exercise and mental stimulation: A tired dog is a calm dog!

For Pain or Inflammation:

• Vet-prescribed meds: NSAIDs (like carprofen) or joint supplements (glucosamine).
• Physical therapy: Massage or hydrotherapy can ease arthritis pain.

For CBD:

If you’re considering CBD, talk to your vet first. Look for THC-free, third-party tested products labeled for pets (e.g., CBD oils or treats from reputable brands like ElleVet or Charlotte’s Web).

FAQ: Common Questions About Dogs and Weed

Q: Can secondhand marijuana smoke affect my dog?

A: Yes, but it’s rare. Dogs would need to be in a very smoky, enclosed space for a long time to ingest enough THC to get sick. Still, avoid blowing smoke directly at your pet.

Q: How long does it take for symptoms to show after ingestion?

A: Typically 30–60 minutes for inhaled THC, but 1–3 hours (or longer) for edibles (since they’re digested first).

Q: My dog ate a tiny bit of weed—should I still call the vet?

A: Yes! Even small amounts can cause problems, especially in small dogs. It’s better to be safe.

Q: Is hemp the same as marijuana for dogs?

A: No. Hemp contains <0.3% THC (federally legal) and is used in CBD products. Marijuana has higher THC and is unsafe.

Conclusion: Keep Your Pup Safe and Healthy

Dogs are curious creatures, and accidents happen—but when it comes to marijuana, prevention is key. Store all weed products (flower, edibles, oils) in childproof, airtight containers, high up and out of your dog’s reach. If you’re a medical marijuana user, keep your supplies as secure as you would prescription meds.

Remember: There’s no “safe” amount of recreational weed for dogs. If your pup does ingest it, stay calm, contact your vet immediately, and follow their guidance. With quick action, most dogs make a full recovery.

At the end of the day, our dogs rely on us to keep them safe. By staying informed and proactive, you can help ensure your furry friend stays happy, healthy, and THC-free.

Got questions? Drop them in the comments below—and share this post to help other pet parents stay informed!

References

• American Society for the Prevention of Cruelty to Animals (ASPCA). “Marijuana (Cannabis sativa).” ASPCA Animal Poison Control.
• American Veterinary Medical Association (AVMA). “Marijuana Toxicity in Pets.” AVMA.org.
• Pet Poison Helpline. “Marijuana (THC) Toxicity in Dogs and Cats.” PetPoisonHelpline.com.
• Tufts University Cummings School of Veterinary Medicine. “Marijuana Toxicity in Dogs.” Tufts.edu.