By Michael Greenwood, M.Sc. Reviewed by Aimee Molineux Indigestion, or dyspepsia, describes any discomfort or pain in the upper abdomen. The symptoms of dyspepsia include heartburn, early satiety, burping, gas, and nausea, among various similar gastrointestinal issues. Most adults have experienced indigestion at some point in their lives, usually unaccompanied by any other serious illness. However, long-lasting or...
