🐾 PawSafe Check

Are Hazelnuts Toxic to Pets?

Yes — hazelnuts are mildly toxic to cats. Yes — hazelnuts are mildly toxic to dogs.

CatsMildly toxicAre hazelnuts toxic to cats? →DogsMildly toxicAre hazelnuts toxic to dogs? →

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.

Toxic compound
Fat; choking risk
Toxic parts
Whole nuts, chocolate spreads
Also known as
filberts

Symptoms

Cats (mildly toxic)

  • Vomiting
  • Diarrhea
  • Reduced appetite

Dogs (mildly toxic)

  • Vomiting
  • Diarrhea
  • Reduced appetite

What to do

If your cat ate hazelnuts

  • 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 hazelnuts

  • 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.

Good to know

Hazelnuts are not known to be toxic but are fatty and a choking hazard for small dogs. Chocolate-hazelnut spreads are a separate, more serious risk.

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Frequently asked questions

Are hazelnuts toxic to cats?

Yes — hazelnuts are mildly toxic to cats. Common signs include vomiting, diarrhea, reduced appetite.

Are hazelnuts toxic to dogs?

Yes — hazelnuts are mildly toxic to dogs. Common signs include vomiting, diarrhea, reduced appetite.

Which parts of hazelnuts are toxic?

Whole nuts, chocolate spreads.

What makes hazelnuts toxic?

Fat; choking risk.

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