Pain in the belly (abdomen) can come from conditions affecting a
variety of organs. The abdomen is an anatomical area that is bounded by
the lower margin of the ribs above, the pelvic bone (pubic ramus) below,
and the flanks on each side. Although abdominal pain
can arise from the tissues of the abdominal wall that surround the
abdominal cavity (for
example, skin and abdominal wall muscles), the term abdominal pain
generally is used to describe pain originating from organs within the
abdominal cavity (for
example, beneath the skin and muscles). These organs include the
stomach, small intestine, colon, liver,
gallbladder, and pancreas. Occasionally, pain may be felt in the
abdomen even though it is arising from organs that are close to but not
within the abdominal cavity, for example, the lower lungs, the kidneys,
and the uterus or ovaries. This latter type of pain is called "referred"
pain because the pain, though originating outside the abdomen, is being
referred to (felt) in the abdominal area.
Abdominal pain can be acute and sudden in onset, or the pain can be chronic and longstanding. Abdominal pain may be minor and of no great significance, or it can reflect a major problem involving one of the organs in the abdomen. The characteristics of thepain -- location, timing,
duration, etc. are important in diagnosing its cause. Persisting abdominal pain
should be evaluated by a physician.
Abdominal pain can be acute and sudden in onset, or the pain can be chronic and longstanding. Abdominal pain may be minor and of no great significance, or it can reflect a major problem involving one of the organs in the abdomen. The characteristics of the


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