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Achalasia is a disorder that affects the part of the body that moves food from the mouth to the stomach (esophagus). This disorder makes it difficult for the esophagus to move liquids and food into the stomach. As a result, swallowing is more difficult. Achalasia affects the muscle between the esophagus and the stomach (lower esophageal sphincter, LES). Normally, this muscle relaxes after you swallow. With achalasia, it does not relax, and there is increased pressure in this area.
The cause of this condition is not known.
Eating and drinking
This information is not intended to replace advice given to you by your health care provider. Make sure you discuss any questions you have with your health care provider.
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