Gastroesophageal reflux disease is a condition in which stomach acid repeatedly flows back up into the tube connecting the mouth and stomach, called the esophagus. It's often called GERD for short. This backwash is known as acid reflux, and it can irritate the lining of the esophagus.
Many people experience acid reflux now and then. However, when acid reflux happens repeatedly over time, it can cause GERD.
Most people can manage the discomfort of GERD with lifestyle changes and medicines. And though it's uncommon, some may need surgery to help with symptoms.
Common symptoms of GERD include: