What Causes Upper Stomach Pain And Belching?

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Belching is the act of bringing up air from the stomach. It produces a characteristic (typical) sound.

Alternative Names

Burping; Eructation; Gas - belching


Belching is most often a normal process. The purpose of belching is to release air from the stomach. Every time you swallow, you also swallow air, along with fluid or food.

As the air builds up in the upper stomach, it causes stretching of the stomach that triggers the lower esophageal sphincter muscle to relax. This...

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