Is Cats Safe?
Is Oregano Oil Safe for Cats?
No — Oregano Oil is toxic to cats.
Oregano Oil is listed as toxic to cats by Veterinary toxicology consensus; Merck (phenolic mechanism). The toxic component is Phenol-dominant (carvacrol + thymol up to ~80%); cats lack UGT to conjugate phenolics; mucous-membrane irritation and hepatotoxicity at low doses. Cats metabolise many plant and chemical compounds poorly, so keep Oregano Oil away from your cat and treat any exposure seriously.
| Scientific name | Origanum vulgare |
|---|---|
| Category | Essential Oils |
| Also known as | oregano, oregano essential oil, oil of oregano |
Signs to watch for in cats
Drooling, oral/skin burns, vomiting, lethargy, possible liver injury and CNS depression. Keep away.
If your cat may have been exposed to Oregano Oil:
- Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
- Note what and how much, and take any packaging with you.
- Call your vet or a 24/7 line now — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435.
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Source: Veterinary toxicology consensus; Merck (phenolic mechanism) ↗
Frequently asked questions
Is Oregano Oil toxic to cats?
Yes. Oregano Oil is reported toxic to cats by Veterinary toxicology consensus; Merck (phenolic mechanism). Keep it away from your cat.
What are the symptoms if a cat is exposed to Oregano Oil?
Reported signs include: Drooling, oral/skin burns, vomiting, lethargy, possible liver injury and CNS depression. Keep away.
What should I do if my cat ate Oregano Oil?
Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).