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Disaccharidase Deficiency (Lactose Intolerance)

Last updated July 18, 2017

Approved by: Krish Tangella MD, MBA, FCAP

Lactose Intolerance is a condition that occurs when the body cannot digest or absorb lactose (a type of sugar) that is commonly found in milk and other dairy products, because it lacks the enzyme lactase.


The topic Disaccharidase Deficiency (Lactose Intolerance) you are seeking is a synonym, or alternative name, or is closely related to the medical condition Lactose Intolerance.

Quick Summary:

  • Lactose Intolerance is a condition that occurs when the body cannot digest or absorb lactose (a type of sugar) that is commonly found in milk and other dairy products, because it lacks the enzyme lactase
  • Consumption of products containing lactose would result in the signs and symptoms of Lactose Intolerance, which includes bloating and abdominal cramps. Severe and untreated Lactose Intolerance may lead to complications such as osteopenia and osteoporosis
  • The condition is caused when the body cannot produce an enzyme to breakdown the milk sugars. A few risk factors for Lactose Intolerance include advancing age, certain racial groups, certain health conditions, and cancer treatment
  • There is no cure for Lactose Intolerance, but its symptoms can be adequately controlled. Individuals who avoid dairy products from their diets have a favorable outcome

Please find comprehensive information on Lactose Intolerance regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis, and additional useful information HERE.

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Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: July 18, 2017
Last updated: July 18, 2017