Can dogs eat Cookies?

Caution — depends on ingredients; many cookies are toxic

Plain sugar cookies in tiny amounts are low risk, but many cookies contain chocolate, raisins, macadamia nuts, or xylitol — all toxic to dogs. Always check the ingredient list first.

✓ Reviewed against PDSA, Blue Cross & Animal PoisonLine guidance · Last updated: 2026-07-05

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The full picture

The word "cookie" covers an enormous range of products. The safest cookies for dogs are plain, unflavoured biscuits with no toxic ingredients — but even these are high in sugar, fat, and calories, and dogs don't benefit nutritionally from them. The dangerous cookies are those containing: chocolate (theobromine toxicity), raisins or currants (kidney toxicity), macadamia nuts (temporary neurological effects), xylitol in sugar-free varieties (life-threatening hypoglycaemia), and nutmeg in gingerbread-style cookies (neurological effects in large quantities).

A dog that steals one plain digestive biscuit is unlikely to be harmed. A dog that eats a handful of chocolate chip cookies or sugar-free cookies is a medical emergency. "It's just a cookie" is not a safe assumption — read the label.

If your dog has already eaten this

Check the ingredients immediately. If the cookie contained chocolate, raisins/currants, macadamia nuts, or xylitol — call your vet or ASPCA Poison Control (888) 426-4435 right away. For plain cookies: a single cookie in a medium or large dog is unlikely to cause serious harm beyond potential stomach upset.

Risks to watch for

  • Chocolate toxicity from chocolate chip or cocoa cookies
  • Grape/raisin toxicity from fruit cookies
  • Xylitol poisoning from sugar-free cookies
  • Macadamia nut toxicity
  • Nutmeg toxicity from gingerbread/spiced cookies
  • Pancreatitis risk from high-fat buttery cookies

Safe portion size

None recommended as a habit. If sharing a single plain cookie occasionally with a large dog: ensure no toxic ingredients and keep it to a tiny piece.

Safer alternatives

  • Dog-specific biscuits formulated for canine nutrition
  • Carrot sticks
  • Apple slices (no seeds)
  • Blueberries

Does size or breed matter?

The risk with cookies is almost always the ingredients rather than the base food itself — added sugar, salt, xylitol, raisins, chocolate, or onion/garlic seasoning are what turn an otherwise low-risk item into a genuine hazard, and toxic doses of these ingredients scale with body weight. Always check the specific recipe or ingredient label before assuming a shop-bought or homemade version is safe, and treat small and toy breeds as reaching a dangerous dose from a much smaller amount than large dogs.

Common questions

Can dogs eat Oreos?
No. Oreos contain chocolate and are high in sugar and fat. While the chocolate content per biscuit is low, there is no benefit to sharing Oreos and the habit normalises giving sugary treats.
Can dogs eat sugar cookies?
A small plain sugar cookie (no icing with xylitol, no nutmeg or spices, no raisins) is unlikely to cause serious harm in a medium or large dog. It offers no nutritional benefit and contributes to weight gain and dental disease. Not recommended as a regular treat.
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 — or the ASPCA Animal Poison Control Center on (888) 426-4435 or Pet Poison Helpline on (855) 764-7661 in the UK.