Gastroesophageal reflux: Stomach contents, including acid, can travel backward up the esophagus. There may be no symptoms, or reflux may cause heartburn or coughing.
Gastroesophageal reflux disease (GERD): When symptoms of reflux become bothersome or occur frequently, they’re called GERD. Infrequently, GERD can cause serious problems of the esophagus.
Dyspepsia: Another name for stomach upset or indigestion. Dyspepsia may be caused by almost any benign or serious condition that affects the stomach.
Gastric ulcer (stomach ulcer): An erosion in the lining of the stomach, often causing pain and/or bleeding. Gastric ulcers are most often caused by NSAIDs or H. pylori infection.
Peptic ulcer disease: Doctors consider ulcers in