🐾 PawSafe Check

Is Mustard Toxic to Cats?

Yes — mustard is mildly toxic to cats.

Mildly toxic

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.

Symptoms to watch for

Toxic parts

Condiment, seeds

Toxic compound

Irritant compounds in mustard seed

What to do now

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

Good to know

Mustard seed can irritate the gut and cause vomiting. Not a good snack, but a lick is not an emergency.

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Frequently asked questions

Can cats eat mustard?

No. Yes — mustard is mildly toxic to cats.

Is mustard toxic to cats?

Yes — mustard is mildly toxic to cats. Mustard seed can irritate the gut and cause vomiting. Not a good snack, but a lick is not an emergency.

What are the symptoms of mustard poisoning in cats?

Vomiting. Diarrhea. Reduced appetite.

What should I do if my cat ate mustard?

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.

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