Is Anise Oil Safe for Dogs?
Why it’s a problem
Anise oil gets most of its scent from anethole, a compound that dogs clear slowly. Small licks tend to cause drooling and vomiting, while larger amounts can depress the nervous system and alter heart rate. Its licorice smell also attracts dogs, so bottles get chewed more often than you would expect.
How to keep your pet safe
Keep anise oil, tinctures, and baking blends locked away — the sweet smell draws dogs in. Do not apply it to skin or fur, and keep diffused rooms aired out. For a dog-safe scent in the home, rely on ventilation rather than strong oils.
Warning signs to watch for
Drooling, vomiting, diarrhea, restlessness, wobbliness, slowed heart rate, drowsiness in larger exposures
When to call the vet
Call your veterinarian or a pet poison hotline with the amount and timing of exposure. Do not induce vomiting at home unless a professional directs it.
Common questions
Is anise the same as star anise?
Different plants, similar chemistry. Both contain anethole, so treat star anise oil with the same caution around dogs.
Do dogs like the smell of anise?
Many do — anise is used to scent tracking lures. Attraction is not safety: the concentrated oil is what causes illness.
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).