Regurgitation is the backward flow of food or liquid from the stomach into the mouth. Learn about the different types of regurgitation , such as gastroesophageal reflux disease (GERD) and rumination syndrome, and how to diagnose and treat them. Regurgitation causes undigested food to back up into the throat and mouth, often due to an underlying health condition. Learn about causes and treatment. Regurgitation , the backward flow of food or liquid from the stomach into the mouth without nausea or the effort of vomiting, is more than just a temporary inconvenience. For many, it is an unexpected and recurring issue that disrupts daily life and diminishes overall digestive comfort. Understanding what causes regurgitation can offer critical insights not only into gastrointestinal health but also into a host of seemingly unrelated lifestyle and health factors. While occasional ... Regurgitation and Rumination - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version.
