What causes excessive belching that lasts for hours after a meal?
1. Introduction Excessive belching that persists for hours after a meal is typically caused by the unconscious swallowing of air, known clinically as aerophagia, or by significantly delayed gastric emptying. It can also indicate underlying gastrointestinal conditions such as gastroesophageal reflux disease, hiatal hernias, or bacterial overgrowth. Belching, or eructation, is a normal physiological process … Read more