What Is the Difference in Characteristics Between Belching Disorder and Gastroesophageal Reflux Disease With Belching? Centering Around Supragastric Belching

摘要

Belching is an audible emission of air from the stomach or the esophagus through the pharynx.1 An occasional belching during or after meals is a normal physiological process; usually, belching up to 30 times a day is considered as a normal physiological venting mechanism.2 However, it becomes bothersome when it is too frequent to a point of affecting an individual’s quality of life, and in such cases, medical attention is required.3 Unfortunately, since belching is a natural physiological phenomenon, excessive belching, which could be a belching disorder (BD), is rarely recognized as a significant health concern.