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Article title: Why Do I Have Gas: NIDDK
Main condition: Gas
Everyone has gas. Burping or passing gas through the rectum is normal. Because it is embarrassing to burp or pass gas, many people believe they pass gas too often or have too much gas. They do not realize that passing gas 14 to 23 times a day is normal. An occasional burp during or after meals is normal, too. It is rare for a person to have too much gas.
Most of the time gas is odorless. The odor comes from sulfur made by bacteria in the large intestine. Sometimes gas causes bloating and pain. Not everyone has these symptoms. It probably depends on how much gas the body makes and how sensitive a person is to gas in the large intestine.
The amount of gas caused by certain foods varies from person to person. The only way to know your own limits is through trial and error. These are some foods that cause gas:
Write down the foods (and the amounts) that seem to cause you the most problems. Also keep track of the number of times you pass gas. You may be surprised to find that it is within the 14 to 23 times a day that is considered normal.
If you are troubled by gas, you may want to see your doctor. Take your diary with you to help you answer the doctor's questions about eating habits and symptoms.
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E-mail: National Digestive Diseases Information Clearinghouse
The National Digestive Diseases Information Clearinghouse (NDDIC) is a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). NIDDK is part of the National Institutes of Health under the U.S. Public Health Service. Established in 1980, the clearinghouse provides information about digestive diseases to people with digestive disorders and to their families, health care professionals, and the public. NDDIC answers inquiries; develops, reviews, and distributes publications; and works closely with professional and patient organizations and Government agencies to coordinate resources about digestive diseases.
Publications produced by the clearinghouse are reviewed carefully for scientific accuracy, content, and readability.
This e-text is not copyrighted. The clearinghouse encourages users of this e-pub to duplicate and distribute as many copies as desired.
NIH Publication No. 97-4156
e-text posted: 20 February 1998
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