Hiatal Hernia
With a hiatal hernia, the normal action that closes off the top of the stomach does not work well. Food or stomach acids back up into the esophagus. This is known as Gastroesophageal reflux disease (GERD).
Signs & Symptoms
Many people have no symptoms with a hiatal hernia. Others have one or more of these problems:
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•Acid reflux. Stomach acid backs up into the esophagus.