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Alternative Names Return to top
Flatulence (flatus)Definition Return to top
Gas, also called flatus or flatulence, is air in the intestine that is passed through the rectum. Air that is passed from the digestive tract through the mouth is called belching.
Considerations Return to top
Gas is formed in the intestines as food is being digested. Gas can make you feel bloated, which may cause crampy or colicky abdominal pain.
Causes Return to top
Gas can be caused by any of the following:
Home Care Return to top
When to Contact a Medical Professional Return to top
Call your doctor if:
What to Expect at Your Office Visit Return to top
Your doctor will perform a physical examination with special attention to your abdomen, and ask questions about your symptoms, such as:
Diagnostic tests that may be performed include:
References Return to top
Birrer RB. Irritable bowel syndrome. Dis Mon. 2002;48:105-143.
Lovelace HY, Barr SI. Diagnosis, symptoms, and calcium intakes of individuals with self-reported lactose intolerance. J Am Coll Nutr. 2005;24:51-57.
Andr??s E, et al. Food-cobalamin malabsorption in the elderly. Am J Med. 2002;113:351-352.
Update Date: 2/20/2008 Updated by: Christian Stone, MD, Division of Gastroenterology, Washington University in St. Louis, School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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