Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect a major problem with one of the organs in the abdomen, such as appendicitis or a perforated intestine, or it may result from a fairly minor problem, such as excess buildup of intestinal gas.
Quick GuideWhat's Causing Your Abdominal Pain?
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Last Editorial Review: 5/13/2016