involuntary regurgitation

Does Vomiting Regurgitate? Vomiting is the ejection of contents of the stomach and upper intestine; regurgitation is the ejection of contents of the esophagus. The esophagus is a narrow, muscular tube that food passes through on its way to the stomach. Can vomiting cause regurgitation? Vomiting Specialty Gastroenterology Symptoms Nausea What causes a person to