Acid reflux and gastroesophageal reflux disease (gerd) are closely related, but the terms don't necessarily mean the same thing acid reflux, also known as gastroesophageal reflux (ger), is the backward flow of stomach acid into the tube that connects your throat to your stomach (esophagus). Gastroesophageal reflux vs gerd. Heartburn is one symptom of the condition acid reflux chronic acid reflux may be diagnosed as gastroesophageal reflux disease, or gerd this article examines the relationship between these three.
gastroesophageal reflux vs gerd
