It would seem dogs don’t mind eating anything they can get their lips around, including those things that are not good for them. But some food can kill them. Watch this 12 foods that could kill your dog.

1. Xylitol

Xylitol, a common sugar substitute, is harmful to dogs. Xylitol may be approved for people but can cause liver damage and a life-threatening drop in blood sugar in dogs. According to the Pet Poison Helpline (PPH), a 10-pound dog would only need to eat a single piece of sugar-free gum to reach a potentially toxic dose.

2. Chocolate

Chocolate contains caffeine and theobromine which fall under the methylxanthines category. If eaten by a dog, chocolate can cause vomiting, dehydration, abdominal pains, severe agitation, muscle tremors, irregular heart rhythm, elevated body temperature, seizures and death.

Chocolate

3. Grapes

Both grapes and raisins can cause kidney failure in dogs, with vomiting, increased urination andincreased thirst potential symptoms of poisoning. The toxic agent in grapes has yet to be identified but it can threaten renal system function, bringing life-threatening kidney failure.

Grapes

4. Onions/Garlic

Onions or Garlic can cause damage to red blood cells and possible death. Onions, either raw or cooked, are far more dangerous. They contain thiosulphate, which is toxic to cats and dogs, and causes a condition called hemolytic anemia.

Onions

5. Milk

We know, puppies drink milk from their mothers after they’re born. However, like humans, dogs can also suffer from lactose intolerance. Milk contains milk sugar that dogs don’t have the enzymes to break down. While it’s not immediately life-threatening, it can contribute to serious bacterial exposure in dogs that could eventually lead to disease.

Milk

6. Cheese

Like milk, cheese also has sugars and fatty components that dogs don’t have the necessary enzymes to break down. Cheese, and other dairy products, can cause problems if consumed in excess.

Cheese

7. Apple cores

Cyanide poisoning can result from giving your dog the apple core from your afternoon snack. The core of an apple (as well as plums, peaches, pears and apricots) contain cyanogenic glycosides which is also known as cyanide.

Apple-cores

8. Caffeine

Coffee contains a stimulant that is unsafe for dogs. Methylated xanthine stimulates the central nervous system and within hours can cause vomiting, restlessness, heart palpitations, and unfortunately even death, so keep your coffee safely out of your dog’s reach.

Caffeine

9. Macadamia nuts

One of the more recent discoveries, Macadamia Nuts can be incredibly harmful to dogs if eaten. The specific chemicals found in macadamias are still unknown right now, but they are known to cause a toxic reaction to dogs if ingested.

Macadamia-nuts

10. Avocados

Avocado leaves, pits, bark and fruit contain a toxin called persin. Avocados can have toxic effects on dogs depending on the variety. They can cause upset stomachs in dogs, breathing difficulties, fluid buildup in the chest, but the most dangerous thing for them seem to the be the pit.

Avocados

11. Bacon

Foods rich in fat, like bacon, can lead to the disease pancreatitis in dogs. Once a dog has developed pancreatitis, their pancreas’ become inflamed and stop functioning correctly. This leads to all sorts of problems with digestion and nutrient absorption.

Bacon

12. Yeast Dough

Yeast dough used to make bread should absolutely be kept away from dogs. The raw yeast dough from making bread can ferment in a dog’s stomach, becoming toxic.

Yeast-Dough