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Doctors’ warning! Stop drinking milk immediately, if you have any problem like acne, anemia and low immunity.
Samira Vishwas | January 23, 2026 10:25 AM CST

Side Effects of Drinking Milk: For many generations, a glass of milk a day has been considered the cornerstone of good health. Rich in calcium, protein and Vitamin D, this beverage strengthens the bones and also helps in bone development. It is considered a healthy drink especially for both children and adults. However, recent research has shown that milk is not equally beneficial for everyone. For many people, it can cause a variety of side effects, ranging from digestive upset to increased risk of disease.

Don’t you also consume sour fruits with milk? So be careful, otherwise your health may deteriorate.

1. Lactose intolerance

Lactose intolerance is such a serious problem that approximately 65-70% of adults worldwide are struggling with it. This disease occurs due to reduction in the production of lactase enzyme after childhood. Due to this, consumption of dairy products causes problems like flatulence, gas, cramps and diarrhea. This problem (Milk Side Effects) has been found more in Asia, Africa and America. At the same time, this problem is less among Northern Europeans.

2. Heart problem

Many people also start having heart problems due to drinking milk. Actually, full fat milk contains saturated fat, which increases LDL i.e. bad cholesterol. This may increase cardiovascular risk. However, the NIH study shows that the full fat present in dairy products has no strong link with heart disease. But if you consume full fat milk, it can affect your heart health.

3. Anemia in children

You must have noticed that in Indian homes, a lot of emphasis is given on feeding milk to small children. But feeding too much milk can also be risky for health. Consuming excess milk can reduce the iron absorption capacity in children. This may cause them anemia. Many medical studies show that drinking more than 24 ounces of milk per day causes iron deficiency in young children.

Milk and dates: Ayurvedic power combo to remove weakness of the body.

4. Risk of cancer

If we talk about Harmful Effects of Drinking Milk, then cancer is an issue on which we should pay utmost attention. Especially prostate cancer. Many major medical groups, including Loma Linda University, claim that men who consume high amounts of milk have a 25-60% higher risk of prostate cancer than men who consume less milk. This may happen because of insulin. Breast and colorectal cancer are also included in this list. However, this has not been completely confirmed yet.

5. Acne problem

Many people also have the problem of acne due to the hormones and IGF-1 present in milk. This happens because milk increases insulin and sebum production. Due to this, the oil glands become active and close the open pores and the problem of acne starts. This problem is more common in adults. To avoid this, you can consume plant based milk. Like almond milk, soya milk etc.

Side Effects of Drinking Milk FAQs

Q. How much milk should a person drink in a day?

A. How much milk a person should drink in a day depends entirely on the age of that person. Children up to 3 years can drink 300-500 ml milk daily. 400-600 ml milk is sufficient for a child of 4-10 years. Adolescents of 11-18 years can consume 500-700 ml of milk. Elderly people should drink at least 2 glasses of milk for bone health.

Q. Does drinking too much milk cause stomach upset?

A. Yes, drinking too much milk can cause stomach upset. People who are lactose intolerant, their stomach cannot digest lactose sugar. Due to this, they start having problems like gas, indigestion, stomach cramps and sometimes stomach upset.

Q. What things should be kept in mind while drinking milk?

A. Drink milk at the right time. Never drink milk on an empty stomach. Consume milk 2-3 hours after having food in the morning. Drinking milk before sleeping at night can also help in getting good sleep. Do not drink milk with sour things or non-vegetarian food.


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