THC Poisoning in Dogs: What to Do if Your Dog Ate THC
THC poisoning in dogs is one of those “drop what you’re doing” moments, especially when you realize your dog ate THC gummies and you cannot tell how many. Take one steady breath. You do not have to wing it, and you do not have to wait for things to get weird before you ask for help.
First, an important housekeeping note from us at Mary’s Nutritionals: THC and CBD are not the same. This post is about THC intoxication from cannabis products like edibles, not hemp-derived CBD items that are formulated without THC. If you are holding an empty package, keep it. The label details matter, and we will walk you through what to do next.
THC poisoning in dogs: why gummies can hit harder than you’d expect
People often assume, “If it’s a small amount, it can’t be that serious.” With dogs, THC does not play by human rules. Dogs have lots of cannabinoid receptors in the brain, including in areas that influence balance and basic nervous system functions. That is a big reason you can see dramatic wobbliness or heavy sleepiness even when the dose seems modest to you. Cornell’s veterinary team breaks down the biology and common neurologic signs in their overview of THC intoxication in dogs.
Gummies add another wrinkle: digestion. An edible has to move through the gut, and in dogs THC can be re-circulated back into the intestines through bile. Translation: symptoms can stick around longer, and some dogs can look like they are improving and then slide backward after eating. The Merck Veterinary Manual explains this “recycling” effect in its review of THC toxicosis in dogs and cats.
What to do right now if your dog ate THC gummies
If your dog ate THC gummies within the last few hours, treat it like a time-sensitive exposure. Your best next step is to call your veterinarian, an emergency animal hospital, or Pet Poison Helpline at 855-764-7661. You will get advice based on your dog’s weight, the product potency, and how long ago it happened.
- Stop repeat access. Pick up any remaining gummies, wrappers, vape cartridges, infused foods, or trash. Dogs will go back for “seconds” if they can.
- Grab the packaging. You are looking for mg of THC per piece, how many pieces are missing, and the full ingredient list. A quick photo on your phone helps if you are heading out the door.
- Scan for extra hazards. Some edibles include ingredients that are dangerous on their own, like xylitol or chocolate. If those are involved, the urgency goes up.
- Do not induce vomiting at home unless a veterinarian tells you to. Timing and your dog’s current coordination matter, and vomiting can be risky if they are already unsteady.
- Set up a safe “quiet zone.” Keep lights low, block stairs, and keep them off furniture so a wobbly step does not turn into a fall.
If you feel awkward about saying “THC” out loud, you can let that go. Your vet is there to treat your dog, not to judge you. Clear details help them choose the safest plan.
THC poisoning in dogs symptoms (and how quickly they can show up)
Most dogs start showing signs within about 30 to 90 minutes, although edibles can vary based on the type of product and whether your dog ate it on a full stomach. Symptoms can last for hours and sometimes up to a few days. UC Davis Veterinary Medicine summarizes typical timing and common signs in their guide to marijuana toxicosis in dogs.
- Lethargy or unusual sleepiness
- Wobbly walking, trouble standing, or drifting into walls
- Vomiting or nausea
- Glassy eyes or enlarged pupils
- Urinary accidents or dribbling
- Tremors or twitching
- Slow heart rate or changes in blood pressure
One quick heads-up: not every dog gets sleepy. Some get restless, vocal, or oddly jumpy. If your dog seems “off,” that still counts as a reason to call.
THC poisoning in dogs: when to call the vet vs. when to go now
If you strongly suspect THC exposure, call a veterinary professional even if the symptoms seem mild. The goal is to prevent the avoidable stuff like dehydration, aspiration from vomiting, or an injury from stumbling around.
Go to an emergency clinic right away if any of these fit your situation:
- You cannot wake your dog normally, or they collapse when trying to stand
- Seizures, repeated tremors, or severe disorientation
- Repeated vomiting, choking, or you are worried they inhaled vomit
- Trouble breathing, very pale gums, or a very slow heart rate
- Your dog is very small, elderly, short-nosed, or has known heart, liver, or neurologic disease
- You suspect xylitol, chocolate, or another toxin was also eaten
If you are stuck in the “I’m not sure” zone, treat that as your answer. Call.
Can THC kill a dog? What actually raises the risk
Pet parents ask us this all the time: can THC kill a dog? It is uncommon, but it can happen, and modern products have changed the math. Potent edibles and concentrates mean a single gulp can contain far more THC than older cannabis products did. The American Kennel Club’s veterinary-reviewed summary on marijuana poisoning in dogs notes that fatalities are rare, yet serious cases do occur, especially at high doses or when other toxins are involved.
| Risk factor | Why it matters | What you can do |
|---|---|---|
| Small size or older age | Less body mass and slower recovery can make the same dose hit harder | Call earlier, even if symptoms look “mild” |
| Higher THC mg and multiple missing pieces | Total dose drives severity and how long signs can last | Bring the package or a photo so your vet can estimate dose |
| Short time since ingestion | Some interventions only help in a limited window | Do not wait for symptoms to appear before calling |
| Other toxic ingredients | Xylitol, chocolate, and certain meds can cause separate emergencies | Share the full ingredient list, not just the THC number |
| Underlying conditions and current meds | Heart, liver, and neurologic issues can complicate monitoring | Tell your vet what your dog takes and any diagnoses you know |
What your vet may do (and what “supportive care” really looks like)
Most veterinary care for THC poisoning is supportive. That can sound vague, but it is actually very practical: keeping your dog safe, hydrated, warm, and steady while their body clears the THC. Depending on timing and severity, your vet may recommend decontamination, IV fluids, anti-nausea medication, temperature support, or monitoring heart rate and blood pressure. In some cases, a short hospital stay is simply the safest way to prevent falls and aspiration while your dog is uncoordinated.
You might also notice your vet does not put a lot of weight on a human over-the-counter THC test. Dogs metabolize cannabinoids differently, and a negative result does not always line up with what is happening clinically. The history you give and the symptoms they see tend to guide decisions more than a quick retail test.
Home monitoring: what “okay to watch at home” should include
Sometimes a veterinarian will tell you it is reasonable to monitor at home, especially when the estimated dose is low and your dog is stable. If that is you, think “quiet supervision” instead of “business as usual.”
- Keep them on one level and block stairs.
- Limit jumping on couches or beds. If they are wobbly, that hop down is a problem.
- Offer small amounts of water and let them decide. Do not force it.
- Keep it calm with low noise and fewer surprises from kids, guests, or other pets.
- Check responsiveness every so often. You should be able to rouse them and get a normal reaction to your voice and touch.
- Be alert after meals since symptoms can flare again with digestive recirculation.
If anything worsens, call back or go in. Early help is almost always simpler than late-night panic.
THC vs. CBD in a pet household: simple safety habits that prevent repeat scares
If you keep hemp or cannabis products at home, this is a good time to tighten up your storage routine. Treat edibles like medications: closed container, closed cabinet, and ideally above counter height. Do not leave products in purses, nightstands, or bedside drawers that a curious nose can open in seconds.
If you have ever stared at a label and thought, “Wait, what does 0.3% THC or less actually mean?” we unpack that in 0.3% THC or Less: What It Really Means in Hemp. It is a helpful primer on why percentages can be misleading when you are trying to understand total milligrams.
If you are looking for pet-specific hemp wellness options, start with our Shop Pet CBD collection. One important reminder: we do not make patches for pets. Our pet-focused transdermal option is a gel pen applied to the inside of the ear for systemic support, with more dose control than a patch format.
FAQ: THC poisoning in dogs
How long after my dog ate THC gummies will symptoms start?
Many dogs show signs within 30 to 90 minutes, but onset can vary with the edible type, dose, and whether their stomach was full. If you are within that window, call now rather than waiting for symptoms.
My dog seems “high” but is still walking. Should I still call?
Yes. Mild signs can progress, and your vet can tell you what to monitor and whether in-clinic care is safer based on dose, size, and health history. Also, edibles may contain other ingredients that are separately toxic.
Can THC kill a dog?
It is uncommon, but it is possible, especially with high-potency products, small dogs, and co-ingestions like chocolate or xylitol. Treat it as urgent until a veterinarian assesses risk.
Should I make my dog vomit if I just saw them eat a gummy?
Do not induce vomiting on your own. It can be unsafe and is not appropriate for every dog or every timeline. Call a veterinarian or poison hotline immediately for instructions.
How long does THC poisoning in dogs last?
Many dogs recover within 24 to 72 hours, depending on dose and individual metabolism. Some improve and then worsen again after eating due to THC recirculation, so follow your veterinarian’s guidance closely.
If I use hemp products at home, how do I reduce the risk of accidents?
Store all ingestibles in a closed cabinet and keep packaging intact so you can reference dosing quickly if needed. If you want a simple education hub for product basics and smart shopping habits, visit the Mary’s Nutritionals Learn hub.
Conclusion
THC poisoning in dogs can look alarming, but fast, practical action makes a huge difference. If your dog ate THC gummies, focus on the basics: call your vet or a poison hotline, share the label details, and keep your dog calm and safe from falls while you follow professional guidance. When you are ready to rebuild a safer routine at home, keep all ingestibles secured and stick with clearly labeled, third-party-tested hemp options designed with responsible dosing in mind.