As interest in Rick Simpson Oil (RSO) grows among humans, many pet owners wonder if it can also help their furry companions. You’ve probably seen videos or online forums where people claim RSO helped their dogs or cats — but is it really safe?
The truth is, while RSO is a powerful cannabis extract, it contains high levels of THC, which can be toxic to animals if not handled properly. This guide breaks down what you need to know before even considering RSO for pets, including how it differs from CBD oil, potential risks, and safer options backed by veterinarians.
What Is RSO? (Quick Refresher)
RSO, or Rick Simpson Oil, is a full-spectrum cannabis extract known for its high concentration of THC — the psychoactive compound in cannabis. It’s thick, sticky, and potent, usually stored in small oral syringes for precise dosing.
While it’s designed for human use, the THC content in RSO is not suitable for animals. Dogs and cats process cannabinoids differently, and even small doses of THC can cause serious side effects.
Can Dogs Have RSO?
The short answer is no — not without a veterinarian’s explicit guidance.
RSO contains THC levels between 60–90%, which is extremely strong, even for humans.
For dogs, THC is not well-tolerated and can lead to a condition known as THC toxicosis. Symptoms can appear within 30–60 minutes and include:
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Loss of balance or coordination
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Tremors or shaking
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Drooling or vomiting
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Agitation, whining, or lethargy
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Low heart rate and body temperature
If a pet ingests RSO or any high-THC product, contact your vet immediately or call the ASPCA Animal Poison Control Center (1-888-426-4435 in the U.S.).
Why THC Affects Animals Differently
Dogs and cats have more cannabinoid receptors in their brain than humans do. That means the same compound that makes a person relaxed can easily overwhelm an animal’s nervous system.
RSO’s potency is especially dangerous because it’s concentrated — one small drop may contain tens of milligrams of THC. For reference, even 1–2mg can affect a small dog.
RSO vs. CBD for Pets
If you’re exploring cannabis-based products for pet wellness, CBD oil (not RSO) is the safe choice.
|
Feature |
RSO |
CBD Oil (for Pets) |
|---|---|---|
|
Main Compound |
THC (psychoactive) |
CBD (non-psychoactive) |
|
Legal Status |
Restricted to human medical/recreational use |
Legal in most regions |
|
Safety for Pets |
Unsafe or toxic |
Generally safe when vet-approved |
|
Effect on Animals |
Disorientation, sedation |
Calming, supports relaxation |
Look for broad-spectrum CBD oils made specifically for pets. These have no THC and are available in flavors like salmon or chicken to make dosing easy.
If Your Dog Accidentally Eats RSO
Don’t panic — but act quickly.
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Stay calm and observe your pet.
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Do not induce vomiting unless directed by a vet.
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Call your veterinarian or poison control right away.
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Provide details: how much was consumed, when, and your dog’s weight.
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Keep your pet comfortable and warm until professional help is available.
Most dogs recover fully with prompt care, but time is critical — especially for smaller breeds.
Can RSO Ever Be Used for Pets?
In extremely rare cases, veterinarians specializing in medical cannabis may explore microdosing THC-based oils for advanced conditions (like cancer pain). However, these are:
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Custom-made formulations, not store-bought RSO
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Precisely dosed for the animal’s weight
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Administered under veterinary supervision only
Never attempt to give pets human-grade RSO or cannabis oil on your own.
Veterinarian-Approved Alternatives
If you’re looking for natural support for your dog or cat, try:
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CBD isolate oil (0% THC) — Calming and safe for daily use
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Omega-3 fish oil — Promotes joint and coat health
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Chamomile or valerian supplements — Gentle relaxation for anxious pets
Always choose products labeled specifically for animals with third-party lab results.
FAQs About RSO and Pets
Q: Can cats have RSO?
No. Cats are even more sensitive to THC than dogs. Avoid all THC products.
Q: What’s the best cannabis product for pets?
CBD oil formulated for pets (with 0% THC) from trusted brands such as Charlotte’s Web or HolistaPet.
Q: Can I mix RSO with food for pets?
Never. Even a small amount of THC can cause serious side effects in animals.
Final Thoughts
While Rick Simpson Oil has gained a loyal following among humans, it’s not safe for pets due to its extremely high THC levels. If your goal is to support your dog’s health naturally, talk with your vet about CBD-based products that are designed specifically for animals.
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