Foods that are toxic to dogs
The complete list of human foods that can seriously harm your dog — with what each one does, how much is dangerous, and what to do if your dog has already eaten some.
The complete list of human foods that can seriously harm your dog — with what each one does, how much is dangerous, and what to do if your dog has already eaten some.
Call your vet immediately — or the ASPCA Animal Poison Control Center on (888) 426-4435 (24/7, fees apply). Alternative: the Pet Poison Helpline on (855) 764-7661. Don't wait for symptoms. Treatment is most effective in the first 1–2 hours.
These six foods account for the vast majority of food-related emergency vet visits in the US. If a dog owner learns nothing else, they should learn these:
No. Chocolate contains theobromine and caffeine — both poisonous to dogs. The darker the chocolate, the more dangerous. Dog size, amount eaten, and chocolate type all matter.
Full details →No. Grapes and raisins can cause sudden kidney failure in dogs. Tartaric acid is now identified as the likely culprit, and there is no safe amount.
Full details →No. Xylitol causes a rapid, life-threatening drop in blood sugar in dogs and, in higher doses, liver failure. Even a few pieces of sugar-free gum can be fatal to a small dog.
Full details →No. Onions damage dogs' red blood cells and cause anemia. Raw, cooked, dried, powdered — all forms are toxic, and cooking doesn't destroy the compounds.
Full details →No. Raisins carry the same tartaric acid toxicity as grapes but in more concentrated form. A single raisin has caused kidney failure in small dogs.
Full details →No. Macadamia nuts cause a distinctive toxic reaction in dogs — weakness (especially in the hind legs), vomiting, tremors, and fever — at doses as low as 2.4 g per kg of body weigh…
Full details →Every food on this list can cause real harm to dogs. Click any item for the full guide including symptoms, timeline, and what to do if your dog has already eaten some.
These foods aren't outright toxic but carry real risks. Some are problematic for specific breeds or health conditions; others are fine as a rare treat but dangerous as a regular food.
Many toxic foods sneak into dishes you might not expect. If you're ever sharing human food with your dog, watch out for:
One emergency visit for food poisoning can cost $500–$10,000+. Compare US pet insurance in 60 seconds.
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