Can dogs eat oats?

Yes โ€” cooked and plain

Yes. Plain cooked porridge oats are a good source of fiber and are gentle on dogs' stomachs.

✓ Reviewed against PDSA, Blue Cross & Animal PoisonLine guidance · Last updated: 2026-06-17

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The full picture

Oats are a wholesome grain that's safe for most dogs and often included in sensitive-stomach dog foods. They're rich in soluble fiber, which supports digestion, and provide slow-release energy. Cook them with plain water (not milk, which many dogs don't tolerate), and serve cool. Avoid instant porridge sachets with added sugar or flavourings, and skip the common toppings like honey, syrup, or dried fruit. Steel-cut or rolled oats are best.

Risks to watch for

  • Stomach upset if raw and eaten in bulk
  • Weight gain if overfed

Potential benefits

  • Soluble fiber for digestion
  • Slow-release energy
  • Iron and B vitamins
  • Good for dogs with wheat sensitivities

Safe portion size

A tablespoon or two of cooked oats mixed with normal food.

Does size or breed matter?

No specific toxicity concern from oats itself at any size โ€” this is mainly a portion and preparation question. Always serve plain and cooked or chopped small where relevant, since whole or large raw pieces are a bigger choking risk for small and toy breeds than for large dogs. Introduce any new vegetable gradually, as too much fibre too quickly can cause loose stools regardless of the dog's size.

Common questions

Can dogs eat oats?
Yes. Plain cooked porridge oats are a good source of fiber and are gentle on dogs' stomachs.
How much oats can I give my dog?
Start with a small amount โ€” a teaspoon or a couple of small pieces for a medium dog โ€” to check for any individual sensitivity. If no GI upset occurs, you can give it as an occasional treat. As with any treat, oats should make up no more than 10% of your dog's daily calorie intake.
Important: This page is general information, not veterinary advice. Every dog is different, and individual factors (age, breed, health conditions, medications) can change what's safe. If in doubt, always contact your vet โ€” or the ASPCA Animal Poison Control Center on (888) 426-4435 or Pet Poison Helpline on (855) 764-7661 in the UK.