Glossary

Lactose intolerance

Lactose intolerance

Laktoseintoleranz·Also: Milchzuckerunverträglichkeit

In lactose intolerance, milk sugar (lactose) cannot be sufficiently digested in the bowel. As a result, consuming dairy products leads to bloating, abdominal pain and diarrhoea.

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Editorial content · as of 9/5/2026