Gum can be fatal to dogs when eaten. Many gum brands contain xylitol, an artificial sweetener that is toxic to dogs. Xylitol causes a dog's blood-sugar level to drop to critical levels. More »

Asparagus is generally considered by vets to be safe for dogs to eat, it's not really recommended, as the dog won't get any nutrition out of it. Dogs are primarily carnivores, meaning that their digestive systems aren't ... More » Pets & Animals Pets Dogs

Dogs can eat cooked beans, but only in limited portions. Certain raw beans, such as red kidney beans, can contain harmful toxins that can cause health issues for dogs. More » Pets & Animals Pets Dogs

Some foods harmful to dogs include avocado, chocolate, grapes and raisins, macadamia nuts and xylitol from sugar-free gum or sugar-free baked goods, notes the American Society for the Prevention of Cruelty to Animals. Al... More »

According to the ASPCA, when dogs eat members of the onion family, such as shallots, onions, garlic and scallions, there is sometimes damage to red blood cells. Small amounts are typically not harmful, but larger portion... More »

Fishy breath in dogs is often a symptom of causes that include gum and tooth problems, according to Petco. Issues like rotting teeth and periodontal disease cause foul-smelling breath as a direct result of infection and ... More »

If a dog eats Advil, or ibuprofen, toxicity can occur. Advil can inhibit effective blood flow to the dog's kidneys and cause significant stomach irritation, according to Vet Street. When stomach irritation becomes severe... More »