Lactose intolerance is the inability to digest lactose, the sugar found in milk and milk products. Learn more about treatment, symptoms and tests for lactose intolerance.
Lactose intolerance treatments
Information about lactose intolerance treatments, and how to reduce the amount of dairy products while also making sure you get enough calcium.
What causes lactose intolerance?
Lactose intolerance occurs when the body doesn’t produce enough lactase, the enzyme that breaks down lactose in the intestine. Here’s some common causes.
Allergic reactions to cow's milk
About 1 in 50 infants has an allergic reaction to cow’s milk. Learn more here about allergy to milk proteins.
Flatulence is the passing of air or gas from the intestine and through the anus, often accompanied by a sound and smell. Read more about flatulence.
Bloating – feeling that you have a swollen tummy – is common, but if you feel bloated regularly, you should see your doctor. Learn more about the causes here.
Underlying causes of diarrhoea
Diarrhoea usually occurs when fluid cannot be absorbed from your bowel contents, or when extra fluid is secreted into the bowel. Find out what causes diarrhoea.
Dairy foods such as milk, yoghurt and cheese are rich sources of many vitamins and minerals, including calcium, which is essential to bone health.
Irritable bowel syndrome (IBS)
Irritable bowel syndrome (IBS) affects the colon and while it’s not dangerous, the symptoms can be uncomfortable. Learn how to manage the symptoms here.
Diarrhoea may last for just a few days, or it might be a sign of something more serious. Find out here about causes, symptoms, diagnosis and treatments.