🐾 PawSafe Check

Is Oregano Toxic to Pets?

Yes — oregano is mildly toxic to cats. Yes — oregano is mildly toxic to dogs. Yes — oregano is mildly toxic to horses.

CatsMildly toxicIs oregano toxic to cats? →DogsMildly toxicIs oregano toxic to dogs? →HorsesMildly toxicIs oregano toxic to horses? →

PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.

Scientific name
Origanum vulgare
Toxic compound
Essential oils
Toxic parts
All parts
Also known as
wild marjoram

Symptoms

Cats (mildly toxic)

  • Mild vomiting
  • Soft stool or diarrhea

Dogs (mildly toxic)

  • Mild vomiting
  • Soft stool or diarrhea

Horses (mildly toxic)

  • Mild vomiting
  • Soft stool or diarrhea

What to do

If your cat ate oregano

  • Remove any plant material from your cat's mouth and keep it out of reach.
  • Gently rinse the mouth and offer fresh water.
  • Call your vet if symptoms persist, get worse, or your cat is small, young or elderly.

If your dog ate oregano

  • Remove any plant material from your dog's mouth and keep it out of reach.
  • Gently rinse the mouth and offer fresh water.
  • Call your vet if symptoms persist, get worse, or your dog is small, young or elderly.

If your horse ate oregano

  • Remove any plant material from your horse's mouth and keep it out of reach.
  • Gently rinse the mouth and offer fresh water.
  • Call your vet if symptoms persist, get worse, or your horse is small, young or elderly.

Good to know

Oregano can cause mild stomach upset. Concentrated oregano oil should never be given to pets.

Is your pet covered for emergency vet bills?

Compare pet insurance quotes →

Pet-safe alternatives

Frequently asked questions

Is oregano toxic to cats?

Yes — oregano is mildly toxic to cats. Common signs include mild vomiting, soft stool or diarrhea.

Is oregano toxic to dogs?

Yes — oregano is mildly toxic to dogs. Common signs include mild vomiting, soft stool or diarrhea.

Is oregano toxic to horses?

Yes — oregano is mildly toxic to horses. Common signs include mild vomiting, soft stool or diarrhea.

Which parts of oregano are toxic?

All parts.

What makes oregano toxic?

Essential oils.

Related items

Free printable: 25 pet-safe houseplants + emergency numbers

We only use your email to send the list and occasional pet-safety tips. Unsubscribe anytime. Privacy policy