gastroesophageal reflux disease or gerd with treatment

abdomen ache acid acidity antacid burn burning cardialgia care chest digestion digestive digests disease duodenum dysentery esophageal esophagus flatulence food gas gastric gastritis gastro gastroenterology gastroesophogeal gastrointestinal gastroscopy gerd health healthy heartburn hiatal hiatus indigestion medical medicine oesophageal oesophagus pain peptic pyloric pylorus pyrosis reflux sensation sphincter stomach submucosa treatment ulcer vector