5 Foods Cats Should Never Eat

By Melissa M. • Feb 08, 2024
5 Foods Cats Should Never Eat. Image

If you are someone who cares for cats, the deep emotional bond you have with your feline friend might occasionally inspire you to share your food with them. While this may seem innocent enough, not all human foods are safe for cats to eat. In this guide, we'll explore five foods that can present substantial threats to the health and well-being of your cat.

1. Milk and Dairy Products

While the image of a cat enjoying a bowl of milk is classic, most adult cats struggle to digest lactose. Kittens naturally consume their mother's milk, but as they grow older, reintroducing lactose can lead to upset stomachs and diarrhea. Despite some cats appearing tolerant, it's best to limit their dairy intake to avoid potential digestive problems.


2. Chocolate and Caffeine

5 Foods Cats Should Never Eat-2 Chocolate, especially dark, is toxic for both cats and dogs.

Chocolate, known for its harmful effects on dogs, poses similar dangers to cats. It contains compounds called methylxanthines, triggering symptoms like vomiting, diarrhea, abnormal heartbeat, and seizures. Darker chocolate is more hazardous, but even white chocolate can cause undesirable effects. Interestingly enough, caffeinated beverages and foods share these risks and should also be kept away from cats.


3. Raw Eggs, Raw Meat, and Bones

Feeding your cat raw eggs or meat, while trendy in some pet circles, comes with notable risks. Raw foods can harbor salmonella or E. coli, leading to symptoms such as vomiting, diarrhea, and lethargy. Additionally, raw eggs contain enzymes that may affect skin and coat health. It's also best to avoid raw bones as they can pose choking hazards and risk injuries to the digestive tract and teeth.

4. Grapes and Raisins

5 Foods Cats Should Never Eat-3 Raisins, another offender, can cause kidney failure in cats.


Though grapes and raisins may seem harmless, even small quantities can lead to severe consequences for cats. Rapid kidney failure may occur within hours of ingestion, accompanied by symptoms like vomiting, lethargy, diarrhea, reduced appetite, abdominal pain, and decreased urination. Immediate veterinary attention is crucial if you suspect your cat has consumed grapes or raisins.

5. Onions and Garlic

While common in our food, onions, garlic, shallots, and scallions can pose a significant threat to your cat's health. These foods can damage your cat's red blood cells, potentially causing anemia. While larger quantities are generally more toxic, concentrated forms like onion soup mix or garlic powder can also be harmful. Keep a close eye on your cat for symptoms like lethargy, weakness, reduced appetite, pale gums, and discolored urine, and seek prompt veterinary care if observed.


Caring for your cat involves more than just affection — it requires knowledge and awareness. By understanding the potential dangers lurking in seemingly innocent human foods, such as milk, chocolate, grapes, and onions, you are better equipped to provide a safe and healthy environment for your feline friend.

Reference: Foods that are Dangerous or Toxic to Cats

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