Gastroesophageal reflux disease (GERD) is a condition in which stomach acid (or other things such as bile or food) regularly travels back up through the esophagus, usually causing a sour taste and ...
It is possible for someone to have gastroesophageal reflux disease (GERD) without heartburn. However, heartburn is the most common symptom of GERD. Heartburn involves a burning sensation in the chest.