Care & how-to
Is CBD Safe for Dogs? What the Evidence Says
CBD may be reasonably well tolerated by many dogs, but nobody can yet say it is proven safe or effective for anxiety: research in dogs is limited, no CBD product is FDA-approved for pets, and labels are not always accurate. The real dangers are products containing THC, which is toxic to dogs, and CBD interacting with other medicines. Talk to your vet before giving your dog any CBD product.
By Matt GarnettUpdated November 13, 20263 min read3 sources
What CBD is
CBD, or cannabidiol, is a compound from cannabis and hemp plants. Unlike THC, it is not intoxicating. CBD products for pets are sold as oils, chews and treats, often marketed for anxiety, pain or mobility.
The FDA has not approved any CBD product for use in animals and has warned companies that market CBD pet products with health claims. That means there is no official, tested guidance on how much is safe, how much works, or which conditions it helps.
What the research says about CBD and anxiety
Most claims about CBD for dogs come from owner reports rather than controlled studies. A small number of studies have looked at CBD for arthritis pain and seizures, with mixed results, and no controlled studies have confirmed that CBD helps behavior problems like anxiety in dogs.
That does not prove it never helps, but it means you are guessing. For anxiety, approaches with better evidence include behavior training, environmental changes and, where appropriate, medicines your vet prescribes.
The safety risks
THC is the biggest worry. Some products sold as hemp or CBD contain more THC than the label says, and THC is toxic to dogs. Signs include wobbliness, dribbling urine, dilated pupils, sensitivity to sound and touch, agitation, collapse and, in severe cases, seizures or trouble breathing. Human edibles can also contain chocolate or xylitol.
CBD itself can cause sleepiness, diarrhea or vomiting in some dogs, and it is processed by the liver, so it can change how other medicines work. If your dog eats a cannabis or CBD product, call your vet or Pet Poison Helpline at (855) 764-7661 or ASPCA Animal Poison Control at (888) 426-4435; a fee may apply.
If you are considering CBD for your dog
Talk to your vet first, and bring the product. Your vet can check for interactions with your dog's other medicines, look for medical causes of the behavior, and explain more established options. Laws vary by state on what vets can discuss, but your vet can still advise on safety.
If your vet agrees, look for a pet-specific product with a recent third-party certificate of analysis showing the CBD content and confirming little or no THC, and no xylitol or chocolate. Never use human edibles or products made for people.
Better-proven ways to help an anxious dog
For fear and anxiety, start with what has stronger support: a quiet safe space with a calming dog bed, predictable routines, daily exercise and enrichment toys, sound masking for noise fears, and patient desensitization and counterconditioning to specific triggers.
For moderate or severe anxiety, a vet visit is the best next step. Your vet may refer you to a veterinary behaviorist or certified behavior consultant, and may discuss prescription treatment designed for anxiety.
This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.
Common questions
Can CBD help a dog with anxiety?
Some owners believe it helps, but controlled evidence in dogs is lacking. It may not work and could interact with other medicines. Talk to your vet about it and about options with stronger evidence.
Is hemp oil the same as CBD oil for dogs?
Not always. Hemp seed oil usually contains little or no CBD, while hemp extract may contain CBD and sometimes THC. Check the certificate of analysis and ask your vet before using either.
What happens if a dog eats a CBD gummy?
Human gummies may contain THC, xylitol or chocolate, all dangerous to dogs. Call your vet or a pet poison helpline right away, with the package in hand, even if your dog seems fine.
Do vets recommend CBD for dogs?
Views vary, and evidence is still limited. Many vets will discuss it, especially safety and interactions, but will often suggest better-studied treatments first. Always ask your own vet before starting.
Does the FDA regulate CBD products for dogs?
No. The AKC notes the FDA has not approved CBD for dogs and there is no official dosing chart, so a safe amount is unknown. Many products contain little CBD, so quality varies. Ask the manufacturer for a certificate of analysis showing CBD content and little or no THC, and check with your vet first.
Sources we checked
This guide is general information, not veterinary advice. If your pet is unwell or injured, contact your veterinarian.
