🚫 Dog · Nutrition

Foods toxic to dogs

Some everyday foods are poisonous to dogs. Here are the most common dangers in the kitchen, what to do if your dog eats one, and safe snacks you can share.

✍️ CanlıDostum Editorial Team📅 October 22, 2026⏱️ 3 min read

⚡ In short

  • Most dangerous: chocolate, grapes and raisins, onion and garlic, xylitol and alcohol.
  • Even small amounts can be dangerous — call your vet straight away.
  • Don't try to make your dog vomit unless your vet tells you to.
  • Carrots, cucumber, apple without seeds and plain cooked chicken are safe snacks.

Most dangerous foods

FoodWhyPossible signs
Chocolate, cocoaTheobromine and caffeine; dark chocolate is worstVomiting, diarrhoea, tremors, fast heart rate, seizures
Grapes, raisinsCan cause kidney failure; no known safe amountVomiting, lethargy, less urine
Onion, garlic, leekDamage red blood cells (cooked and powdered too)Weakness, pale gums, anaemia
XylitolIn sugar-free gum, sweets, some peanut butters; drops blood sugar fastVomiting, wobbling, seizures, liver damage
AlcoholSmall amounts can poisonWobbling, vomiting, slowed breathing
Macadamia nutsAffect muscles and nervesHind-leg weakness, tremors, fever

Other foods to avoid

  • Cooked bones can splinter
  • Raw yeast dough expands and produces alcohol
  • Caffeine: coffee, tea, energy drinks
  • Very salty or fatty food can trigger pancreatitis
  • Milk: many adult dogs are lactose intolerant
  • Fruit stones and pits
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If your dog eats something toxic

  1. Remove your dog and any leftovers.
  2. Note what, roughly how much and when; keep the packaging.
  3. Call your vet or a pet poison helpline immediately — don't wait for symptoms.
  4. Don't induce vomiting unless told to; home remedies like salt water can harm.
🚨Emergency: seizures, collapse, breathing difficulty or non-stop vomiting — go to the nearest vet now.

Safe snacks

  • Carrot, cucumber, courgette
  • Apple and pear without core and seeds
  • Seedless watermelon without rind
  • Plain cooked chicken or turkey
  • Plain cooked rice and oats

Treats should stay under 10% of daily calories.

Frequently asked questions

What happens if a dog eats chocolate?

Theobromine can cause vomiting, diarrhoea, tremors, abnormal heart rhythm and seizures. Call your vet straight away.

Can dogs eat grapes?

No. Grapes and raisins can cause kidney failure and no safe amount is known.

Which fruits can dogs eat?

Apple and pear without seeds, seedless watermelon, a little banana and blueberries are usually safe.

⚠️This article is for general information and does not replace an examination or advice from a veterinarian. If you suspect a health problem, contact your vet.

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