Overview
Gastroesophageal reflux disease, Dallas , Dallas (GERD) occurs when stomach acid frequently flows back into the tube connecting your mouth and stomach (esophagus). This backwash (acid reflux) can irritate the lining of your esophagus.
Many people experience acid reflux from time to time. GERD is mild acid reflux that occurs at least twice a week, or moderate to severe acid reflux that occurs at least once a week.
Complications
Over time, chronic inflammation in your esophagus can cause:
Narrowing of the esophagus
Damage to the lower esophagus from stomach acid causes scar tissue to form. The scar tissue narrows the food pathway, leading to problems with swallowing.
An open sore in the esophagus
Stomach acid can wear away tissue in the esophagus, causing an open sore to form. An esophageal ulcer can bleed, cause pain and make swallowing difficult.
Precancerous changes to the esophagus
Damage from acid can cause changes in the tissue lining the lower esophagus. These changes are associated with an increased risk of esophageal cancer.
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