Understanding GERD Gastroesophageal reflux disease (GERD) is a prevalent digestive disorder characterized by the reflux of stomach acid into the esophagus. This condition often causes uncomfortable symptoms such as heartburn, regurgitation, and chest pain. Long-term complications of untreated GERD may include esophagitis, esophageal ulcers, and even an increased risk of esophageal cancer. Identifying Symptoms of