what is gerd and its symptoms
GERD or acid reflux symptoms are caused by the regurgitation of acidic liquid stomach contents back up into the esophagus. The most common symptom of GERD is heartburn. Other symptoms that can occur as a result of GERD include: 1  nausea,  regurgitation,
Acid Reflux (GERD) Quick Overview. 1  Acid reflux (GERD) is a condition in which acid backs up from the stomach into the esophagus and even up to the throat, irritating the tissue.  Acid reflux can be caused by many different things, including lifestyle, medication, diet, pregnancy, rapid weight gain, and certain medical conditions.