URL of this page: //www.nlm.nih.gov/medlineplus/ency/article/000299.htm

Malabsorption

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

Hogenauer C, Hammer HF. Maldigestion and malabsorption. In: Feldman M, Friedman LS, Brandt LJ eds. Sleisenger & Fordtran's Gastrointestinal and Liver Disease

Update Date 8/11/2014

Related MedlinePlus Health Topics