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Vegetables

Can dogs and cats eat fennel?

Compare the dog and cat answers together, then open the full guide for the pet you are asking about.

One food, two pets

What changes between dogs and cats?

Dogs and cats both have a caution verdict.

The label matches, but the two answers are not interchangeable. Compare the bottom line below, then use the full guide for your pet.

  • Bottom line differs
Caution

Fennel safety for dogs

Small amounts of chopped fennel plant or seed are not toxic to dogs, but concentrated fennel oil should never be offered and too much plant material can cause digestive upset.

Toxic principle: Concentrated essential oil

Watch for

  • gas
  • bloating
  • vomiting
  • diarrhea
Open the complete dogs guide
Caution

Fennel safety for cats

Small amounts of fennel plant or seed are not toxic to adult cats, but concentrated fennel oil should never be offered and plant material can cause digestive upset.

Toxic principle: Concentrated essential oil

Watch for

  • gas
  • bloating
  • vomiting
  • diarrhea
Open the complete cats guide

This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

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Read our methodology for how every verdict is sourced and reviewed.