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Why does a hernia cause acid reflux?

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One common cause of acid reflux disease is a stomach abnormality called a hiatal hernia. It happens when the upper part of the stomach and the lower esophageal sphincter move above the diaphragm, the muscle wall separating your stomach from your chest.

Normally, the diaphragm helps keep acid from rising into your esophagus. But if you have a hiatal hernia, it is easier for acid to move up.

SOURCES: 

National Digestive Diseases Information Clearinghouse (NDDIC): "Heartburn, Gastroesophageal Reflux (GER), and Gastroesophageal Reflux Disease." 

Cleveland Clinic: "GERD or Acid Reflux or Heartburn." 

The American College of Gastroenterology: "Heartburn or Gastroesophageal Reflux Disease."

University of Maryland Medical Center: "Gastroesophageal reflux disease and heartburn."

American Academy of Family Physicians: "Heartburn: Hints on Dealing With the Discomfort."

Reviewed by Gabriela Pichardo on March 15, 2020

SOURCES: 

National Digestive Diseases Information Clearinghouse (NDDIC): "Heartburn, Gastroesophageal Reflux (GER), and Gastroesophageal Reflux Disease." 

Cleveland Clinic: "GERD or Acid Reflux or Heartburn." 

The American College of Gastroenterology: "Heartburn or Gastroesophageal Reflux Disease."

University of Maryland Medical Center: "Gastroesophageal reflux disease and heartburn."

American Academy of Family Physicians: "Heartburn: Hints on Dealing With the Discomfort."

Reviewed by Gabriela Pichardo on March 15, 2020

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Why does pregnancy cause acid reflux?

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