Is Cats Safe?
Is Oregano Safe for Cats?
No — Oregano is toxic to cats.
Oregano (Origanum vulgare hirtum) is toxic to cats due to gastrointestinal irritants it contains. If a cat ingests oregano, it can experience mild vomiting and diarrhea. Contact your vet if you suspect your cat has eaten any.
| Scientific name | Origanum vulgare hirtum |
|---|---|
| Family | Lamiaceae |
| Category | Plants |
| Toxic principle | Gastrointestinal irritants |
| Also known as | Greek Oregano |
Signs to watch for in cats
- Mild vomiting and diarrhea
If your cat may have been exposed to Oregano:
- 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.
Other Lamiaceae plants
Plants in the same family (Lamiaceae) are easily confused with Oregano — check each one:
Cat-safe alternatives
Browse all Plants for cats · or check another item.
Frequently asked questions
Is Oregano toxic to cats?
Yes. Oregano is reported toxic to cats by ASPCA Animal Poison Control. Keep it away from your cat.
What are the symptoms if a cat is exposed to Oregano?
Reported signs include: Mild vomiting and diarrhea.
What makes Oregano toxic to cats?
The harmful component reported for Oregano is Gastrointestinal irritants. Cats metabolise many such compounds poorly, so even small exposures can cause problems.
How much Oregano 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 Oregano?
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).