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  • Writer's pictureDorota Fraczek

Why milk is not good for cats?

Cats and milk are often portrayed together in popular culture, but the reality is that milk is not good for cats. In fact, giving milk to your cat can cause a number of health problems. In this blog post, we will explore why milk is not good for cats and what alternatives you can give your feline friend.

Lactose Intolerance

Cats, like many mammals, are born with the ability to digest milk. However, as they grow older, they lose this ability. This is because they stop producing lactase, an enzyme that breaks down lactose, the sugar found in milk. Without lactase, cats become lactose intolerant, which means that they cannot properly digest milk. This can lead to a number of health problems, including:

  • Upset stomach: Consuming milk can cause diarrhoea, vomiting, and other gastrointestinal problems in lactose intolerant cats.

  • Dehydration: Diarrhoea caused by lactose intolerance can lead to dehydration, which can be dangerous for cats.

  • Nutritional deficiencies: Milk does not contain all the nutrients that cats need, and consuming too much milk can lead to a deficiency in other essential nutrients.

Alternatives to Milk

If you want to give your cat a treat, there are many alternatives to milk that are safe and healthy for cats. Here are some options:

  • Water: The best thing you can give your cat is plain water. This will keep them hydrated and healthy.

  • Cat-friendly milk: There are lactose-free milk products made specifically for cats that you can buy at pet stores.

  • Treats: You can give your cat treats that are specifically made for cats. Look for treats that are made with high-quality protein sources and are low in fat and calories.


In conclusion, milk is not good for cats. Cats are lactose intolerant, and consuming milk can cause a number of health problems. Instead of giving your cat milk, opt for alternatives such as water, cat-friendly milk, or cat treats. By making smart choices about what you feed your cat, you can help them stay healthy and happy for years to come.

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