Gastroesophageal reflux disease (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. Acid reflux disease reflux. Gastroesophageal reflux disease (gerd) is a condition in which the esophagus becomes irritated or inflamed because of acid backing up from the stomach the esophagus or food pipe is the tube stretching from the throat to the stomach when food is swallowed, it travels down the esophagus.
acid reflux disease reflux
