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What Is GERD?

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Updated April 15, 2009

Definition: GERD stands for gastroesophageal reflux disease. GERD is a condition in which acid and stomach contents travel in reverse direction up the esophagus. This may be caused by the failure of the lower esophageal sphincter to close correctly. This causes acid and stomach contents to come up the esophagus and into the back of the throat.
Also Known As: acid reflux
Examples:
My doctor diagnosed my heartburn as GERD.

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