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Malabsorption is difficulty absorbing nutrients from food.
Causes, incidence, and risk factors
Many diseases can cause malabsorption. Malabsorption is usually the inability to absorb certain sugars, fats, proteins, or vitamins from food. It can also involve a general malabsorption of food.
Some of the causes of malabsorption include:
Vitamin B12 malabsorption may be due to:
Malabsorption can affect growth and development, or it can lead to specific illnesses.
Signs and testsYour doctor or nurse will examine you. Tests that may be done may include:
Vitamin and nutrient replacement is often necessary.
The outlook depends on the condition causing malabsorption.
Long-term malabsorption can result in:
Calling your health care provider
Call your health care provider if you notice symptoms of malabsorption.
Preventive methods depend on the condition causing malabsorption.
Semrad CE. Approach to the patient with diarrhea and malabsorption. In Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 142.
Hogenauer C, Hammer HF. Maldigestion and malabsorption. In: Feldman M, Friedman LS, Brandt LJ eds. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 101.
Reviewed by:David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Health Solutions, Ebix, Inc.
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