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When feeding your dog homemade treats, or table food, be sure to avoid the following foods as they can be dangerous, or even fatal, to dogs. This should not be considered an exhaustive list and if you are unsure about a food not listed, please contact your veterinarian for advice.

Most dog owners know that chocolate is off limits but don't know why. Chocolate contains theobromine which dogs cannot metabolize the way humans can. Theobromine poisoning can cause diarrhea and vomiting or in more serious cases seizures and cardiac arrest.


Dogs should not be fed coffee, tea, cola or any other food containing caffeine as it is a stimulant and can be harmful to the heart and/or nervous system of animals.

Grapes and raisins

Grapes and raisins contain a toxin that is harmful to a dog's kidneys. Fed in large quantities, grapes and raisins can lead to renal failure, which is fatal.


Toxins in mushrooms may lead to liver or kidney damage which could prove fatal in dogs.

Macadamia nuts

An unknown toxic substance in macadamia nuts can lead to elevated heart rate, vomiting, diarrhea, muscle tremors, elevated body temperature and negative effects.

Cat food

Cat food generally has a higher protein and fat content than dog food which is unhealthy for dogs and can cause digestive upset and ingestion of too many calories, which can lead to obesity. Additionally, dogs and cats have different nutritional needs, and cat food does not contain the nutrients vital to your dog's health.

Onions contain thiosulphate which is extremely toxic to dogs. The effects are the same whether the onion is raw or cooked, so onions in any form are to be avoided. Also, damage from thiosulphate can be cumulative, which means that a dog can become ill after a single large ingestion of onions or after several smaller exposures. Thiosulphate is found in garlic as well, although garlic powder is sometimes used in products made for dogs. Generally, garlic in dog products is used in very small doses and should be safe, but avoid feeding your dog garlic. UcenterDress flowy ethereal bridesmaid outfits of chiffon

Food sweetened with artificial sweetener
Some sugar free foods contain the artificial sweetener Xylitol which can cause low blood sugar in small amounts or liver failure in larger amounts. Xylitol is most frequently found in sugar free gum, candy, baked goods, and toothpaste. Although most other artificial sweeteners are not found to cause more than diarrhea, there is no reason for a dog to have artificially sweetened food, so best to avoid these products.


All parts of the avacodo -leaves, fruit, seed, and bark-contain persin, which is toxic to dogs. Ingestion of persin can lead to vomiting and diarrhea in dogs.

If you suspect your dog has eaten any of these foods you should call your veterinarian immediately.