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Can Cats Eat Dog Food?

βœ“ Vet-referencedβœ“ Sources citedUpdated 2026-10-10

Caution

Better to skip it

A few bites of dog food will not harm a cat, but cats should not eat it regularly. Dog food lacks enough taurine, arachidonic acid, vitamin A and protein for cats, and long-term feeding can cause heart and eye problems.

Dog Food for cats at a glance

Can cats eat it?Caution
CaloriesNot recommended as a treat
Main benefitNot toxic
Main riskToo little taurine can cause heart disease (DCM) and blindness
Kittens?No

Benefits and risks

Benefits

  • Not toxic
  • A stolen bite is harmless
  • Cat food is formulated for feline needs

Risks

  • Too little taurine can cause heart disease (DCM) and blindness
  • Lacks preformed vitamin A and arachidonic acid
  • Lower protein than cats need

If you choose to share

  • Feed cats a complete cat food
  • Feed pets in separate areas
  • Do not substitute dog food, even short term, unless unavoidable for a day or two

My cat ate dog food. What should I do?

A small amount is unlikely to cause serious harm in a healthy cat. Remove any remaining food, offer fresh water and watch for vomiting, diarrhea, a painful belly or lethargy over the next 24-48 hours. Call your vet if your cat ate a large amount, is small, young or has health problems (such as pancreatitis), or if the food contained onion, garlic, chocolate or xylitol.

Related: Cat food calculator

Safer treats to give instead

These are safe for cats in treat-size amounts:

Check your cat's full daily needs with the cat food calculator.

Dog Food and cats: FAQ

Can cats have dog food?

A few bites of dog food will not harm a cat, but cats should not eat it regularly. Dog food lacks enough taurine, arachidonic acid, vitamin A and protein for cats, and long-term feeding can cause heart and eye problems.

Can cats eat dog food in an emergency?

For a day or two it will not cause harm, but switch back to cat food as soon as possible.

Can dogs eat cat food?

Occasionally, yes, but cat food is richer in fat and protein and can upset a dog's stomach or cause weight gain.

Can kittens eat dog food?

No. Kittens are smaller and more vulnerable than adults, so it is best avoided entirely.

More "can cats eat" guides

Browse lists: human foods cats can eat Β· foods cats can't eat

Sources

This guide is general information for healthy adult cats. Cats with medical conditions (such as diabetes, pancreatitis, kidney disease or food allergies) may need different advice from their vet.

Quick answer

Caution

A few bites of dog food will not harm a cat, but cats should not eat it regularly.

See all cat food guides β†’

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