Is Peppermint Oil Safe for Dogs?
Why it’s a problem
Peppermint oil is high in menthol, which irritates the mouth, stomach, and airways of dogs. Ingestion or skin contact typically causes gastrointestinal upset, and concentrated doses can affect the nervous system. Dogs also find the strong smell overwhelming, which adds stress.
How to keep your pet safe
Do not apply peppermint oil to a dog, and keep diffusers and bottles out of reach. If you diffuse it, use a few drops briefly in a ventilated room with an open exit. Ventilation and regular cleaning are safer ways to freshen a home.
Warning signs to watch for
Drooling, lip smacking, vomiting, diarrhea, pawing at the mouth, lethargy, wobbliness
When to call the vet
Call your veterinarian or a pet poison hotline if your dog swallowed peppermint oil or is showing symptoms. Do not induce vomiting without professional guidance.
Common questions
Can dogs smell peppermint oil safely?
A faint smell in a ventilated space is usually tolerated, but a dog’s nose is far more sensitive than yours and strong menthol can irritate the airways. Watch for sneezing, squinting, or pawing at the nose and remove the scent if they appear.
Is peppermint oil safe for dogs if I dilute it?
Diluted peppermint oil is still not recommended on dogs. It can irritate skin, and dogs lick product off their coats. Ask your veterinarian before using any essential oil product on your pet.
More essential oils hazards for dogs
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate or touched something concerning, contact your veterinarian or a pet poison hotline right away. In the US: Pet Poison Helpline (855) 764-7661, ASPCA Animal Poison Control (888) 426-4435 (fees may apply).