Brought to you by the American Gastroenterological Association

Common causes of gas
Conditions

Gas

Gas is when air builds up in your small intestine and large intestine. Flatulence is when gas passes through the rectum and belching, or burping, is when gas passes through the mouth.

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Lactose intolerance

Lactose intolerance is condition in which a person is unable to digest a lot of lactose due to a lack of the enzyme lactase. Lactose intolerance symptoms can be cramps, bloating and diarrhea.

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