Is Eucalyptus Oil Safe for Cats?
No — Eucalyptus Oil is toxic to cats.
Eucalyptus oil is toxic to cats due to 1,8-cineole (eucalyptol) and monoterpenes, which are hepatotoxic and CNS-depressive. Exposure can cause drooling, vomiting, diarrhea, weakness, ataxia, tremors, and respiratory distress. If your cat has been exposed to eucalyptus oil — including through diffusion — contact your vet immediately.
| Scientific name | Eucalyptus |
|---|---|
| Category | Essential Oils |
| Toxic principle | 1,8-cineole (eucalyptol) and monoterpenes; hepatotoxic and CNS-depressive (ASPCA lists the eucalyptus plant as toxic too) |
| Also known as | eucalyptus, eucalyptus essential oil |
Signs to watch for in cats
- Drooling
- Vomiting
- Diarrhea
- Weakness
- Ataxia
- Tremors
- Respiratory distress. Do not diffuse around cats
If your cat may have been exposed to Eucalyptus 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.
Browse all Essential Oils for cats · or check another item.
Frequently asked questions
Is Eucalyptus Oil toxic to cats?
Yes. Eucalyptus Oil is reported toxic to cats by ASPCA; Pet Poison Helpline; Merck Vet Manual. Keep it away from your cat.
What are the symptoms if a cat is exposed to Eucalyptus Oil?
Reported signs include: Drooling, Vomiting, Diarrhea, Weakness, Ataxia, Tremors, Respiratory distress. Do not diffuse around cats.
What makes Eucalyptus Oil toxic to cats?
The harmful component reported for Eucalyptus Oil is 1,8-cineole (eucalyptol) and monoterpenes; hepatotoxic and CNS-depressive (ASPCA lists the eucalyptus plant as toxic too). Cats metabolise many such compounds poorly, so even small exposures can cause problems.
How much Eucalyptus Oil is dangerous to cats?
There is no established "safe" amount — sensitivity varies by cat, and small exposures can still cause signs. Treat any exposure as potentially serious rather than waiting to see how much was involved.
What should I do if my cat ate Eucalyptus 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).