What common clinical feature is associated with GERD?

Heartburn is a hallmark symptom of gastroesophageal reflux disease (GERD). This condition occurs when stomach acid frequently flows back into the esophagus, leading to irritation and the characteristic burning sensation in the chest. Heartburn is often described as an uncomfortable feeling that can occur after eating, especially when lying down, which helps to distinguish it from other potential digestive issues.

While dysphagia, or difficulty swallowing, may occur in some cases of GERD, it is not as commonly reported as heartburn. Weight loss and anemia are not typical features of GERD. Weight loss might be associated with more severe gastrointestinal disorders, and anemia might arise from chronic bleeding or malnutrition, but they do not directly relate to the reflux itself. Therefore, heartburn stands out as the most prevalent and defining symptom of GERD.