Human Foods That Are Poisonous to Cats

There are many different human foods that are poisonous to cats. Foods that are high in fat, like bacon and cheese, can cause a cat to develop pancreatitis, a serious condition that can be life-threatening. Foods that contain onions, garlic, or chives can cause a cat’s red blood cells to burst, leading to anemia. Chocolate and caffeine are both toxic to cats and can cause serious health problems. Finally, grapes and raisins can cause renal failure in cats.

Human Foods Are Not Meant for Cats

Think twice before you offer your cat a bite of your sandwich. While human food can be tempting for cats, many items are poisonous to them. In fact, there are dozens of different foods that can make your feline friend sick.

Some of the most harmful human foods for cats include: chocolate, onions, garlic, grapes and raisins, macadamia nuts, and caffeine. All of these items contain toxins that can cause vomiting, diarrhea, liver damage, or even death in cats.

So what can you feed your cat? Most veterinarians recommend a diet of specially formulated cat food, supplemented with water and occasional treats such as small amounts of cooked chicken or boiled fish. This is the safest way to ensure that your cat gets the nutrients she needs without risking exposure to harmful toxins.

Foods That Are Toxic to Cats

Green Tomatoes and Raw Green Potatoes

While some people may enjoy eating raw green tomatoes and potatoes, these vegetables are poisonous to cats. The ingestion of even small amounts of these vegetables can cause severe gastrointestinal upset in cats, including vomiting and diarrhea. In some cases, the toxins in these vegetables can also cause liver damage in cats. If you suspect your cat has eaten a raw green tomato or potato, contact your veterinarian immediately.


Chocolate is a sweet, brown food that is usually eaten as a dessert. It contains the stimulants caffeine and theobromine, which are dangerous to cats. Chocolate poisoning in cats can cause vomiting, diarrhea, rapid breathing, heart problems, and seizures. If you think your cat has eaten chocolate, call your veterinarian immediately.

Grapes and Raisins

Many people are unaware that grapes and raisins can be poisonous to cats. Grapes and raisins contain a toxin that can damage a cat’s kidneys. Even a small amount of grapes or raisins can be harmful to a cat. If your cat has eaten grapes or raisins, call your veterinarian immediately.


Avocado is a fruit that is often enjoyed by humans, but it can be poisonous to cats. The leaves, fruit, and pit of the avocado contain a chemical called persin, which can cause vomiting and diarrhea in cats. In severe cases, avocado poisoning can also lead to heart failure in cats. If you think your cat has eaten avocado, contact your veterinarian immediately.

Onions, Garlic, & Related Root Vegetables

Onions, garlic, and related root vegetables are poisonous to cats. The ingestion of these foods can cause gastrointestinal irritation, including vomiting and diarrhea. In severe cases, the toxin in these foods can cause liver damage. Therefore, it is important to keep these foods away from cats.


While it is important to be mindful of the human foods that are poisonous to cats, it is also important to remember that there are many human foods that are safe and healthy for cats. In fact, there are many human foods that can actually benefit cats’ health. Some of these foods include:

-Carrots: Carrots are a great source of beta-carotene, an antioxidant that helps protect the body from disease. Carrots can also help improve your cat’s vision.

-Fish: Fish is a great source of omega-3 fatty acids, which are beneficial for both cats and dogs. Omega-3 fatty acids help keep your cat’s skin and fur healthy, and can also help reduce inflammation.

-Green beans: Green beans are a good source of vitamin C, which helps keep your cat’s immune system strong.

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