Intestinal Gas »
What causes belching?
The ability to belch is almost universal. Belching, also
known as burping (medically referred to as eructation), is the act of expelling gas from the stomach out through the
mouth. The usual cause of belching is a distended (inflated) stomach caused by
swallowed air. The distention of the stomach causes abdominal discomfort, and the
belching expels the air and relieves the discomfort. The common reasons for
swallowing large amounts of air (aerophagia) are gulping food or drink too
rapidly, anxiety, and carbonated beverages. People are often unaware that they
are swallowing air. "Burping" infants during bottle or
breastfeeding is important in order to expel air in
the stomach that has been swallowed with the formula or milk.
Excessive air in the stomach is not the only cause of belching. For some
people, belching becomes a habit and does not reflect the amount of air in their
stomachs. For others, belching is a response to an...
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