gerd esophageal erosion and ulcers special

The backup, or reflux, of stomach acids and juices into the esophagus that occurs with gastroesophageal reflux disease (GERD) can wear away (erode) the lining of the esophagus and cause sores, called ulcers. GERD is caused when stomach acid and juices reflux into the esophagus. This happens when the valve between the...