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Malabsorption


Definition:

Malabsorption involves problems with the body's ability to take in nutrients from food.

Causes:

Many diseases can cause malabsorption. Most often, malabsorption involves problems absorbing certain sugars, fats, proteins, or vitamins. It can also involve an overall problem with absorbing food.

Some of the causes of malabsorption include:

Vitamin B12 malabsorption may be due to:

Symptoms:
  • Bloating, cramping, and gas
  • Bulky stools
  • Chronic diarrhea (may not occur with vitamin malabsorption)
  • Failure to thrive
  • Fatty stools (steatorrhea)
  • Muscle wasting
  • Weight loss

Malabsorption can affect growth and development. It also can lead to some illnesses.

Exams and Tests:

Your doctor or nurse will do an exam. Tests that may be done include:

Treatment:

You may need to take extra vitamins and nutrients.

Outlook (Prognosis):

The outlook depends on what is causing the malabsorption.

Possible Complications:

Long-term malabsorption can result in:

When to Contact a Medical Professional:

Call your health care provider if you have symptoms of malabsorption.

Prevention:

Prevention depends on the condition causing malabsorption.

References:

Semrad CE. Approach to the patient with diarrhea and malabsorption. In: Goldman L, Schafer AI, eds. Goldman's 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.


Review Date: 8/11/2014
Reviewed By: Jenifer K. Lehrer, MD, Department of Gastroenterology, Frankford-Torresdale Hospital, Aria Health System, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2002 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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