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Gastroesophageal reflux disease
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| Gastroesophageal reflux disease |
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Definition:
Gastroesophageal reflux disease (GERD) is a condition in which food or liquid travels from the stomach back up into the esophagus (the tube from the mouth to the stomach). This partially digested material is usually acidic, and can irritate the esophagus, often causing heartburn and other symptoms. Alternative Names:
Peptic esophagitis; Reflux esophagitis; GERD; Heartburn - chronic
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Causes, incidence, and risk factors:
Gastroesophageal reflux is a common condition that often occurs without symptoms after meals. In some people, the reflux is related to a problem with the lower esophageal sphincter, a band of muscle fibers that usually closes off the esophagus from the stomach. If this sphincter doesn't close properly, food and liquid can move backward into the esophagus and may cause the symptoms. The risk factors for reflux include hiatal hernia, pregnancy, and scleroderma.
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