abdominal angina abdominal pain accessory digestive gland achalasia achlorhydria acute liver failure acute pancreatitis alcohol alcoholic hepatitis alcoholic liver disease anal abscess anal fissure anal fistula angiodysplasia anus appendicitis ascending cholangitis atrophic gastritis autoimmune hepatitis bile acid sequestrant bile duct biliary dyskinesia biliary fistula bismuth subsalicylate blind loop syndrome boerhaave syndrome botulism bowel obstruction chemotherapy cholangitis cholecystitis choledocholithiasis cholera cholestasis cholesterolosis of gallbladder cholestyramine chronic pancreatitis cirrhosis coeliac disease colitis collagenous colitis common bile duct congenital diaphragmatic hernia constipation cushing ulcer cystic fibrosis dehydration developing country diabetic neuropathy diaphragmatic hernia diffuse esophageal spasm digestive disease digital object identifier direct inguinal hernia diseases database diverticulitis diverticulosis drinking water duodenitis duodenum dysbiosis dysentery dyspepsia emedicine etec electrolyte entamoeba histolytica enteritis enterocolitis enteropathy esophageal candidiasis esophageal disease esophageal motility disorder esophageal stricture esophagitis ethanol exocrine pancreatic insufficiency fatty liver fecal impaction feces femoral hernia fever foodborne illness fructose malabsorption functional colonic disease gallbladder gallstone gastric antral vascular ectasia gastric dumping syndrome gastric volvulus gastritis gastroenteritis gastroenterology gastroesophageal reflux disease gastrointestinal bleeding gastrointestinal tract gastroparesis gastroptosis giardiasis gluten haemobilia hangover hematemesis hematochezia hemoperitoneum hepatic encephalopathy hepatic veno-occlusive disease hepatitis hepatorenal syndrome hereditary pancreatitis hernia hiatus hernia hyperthyroidism icd ileitis ileum ileus incisional hernia indirect inguinal hernia infant mortality infectious diarrhea inflammatory bowel disease inguinal hernia intestinal pseudoobstruction irritable bowel syndrome ischemia ischemic colitis jejunum kaopectate lactose lactose intolerance large intestine list of causes of diarrhea liver abscess liver disease liver failure loperamide lower gastrointestinal bleeding lymphocytic colitis magnesium malabsorption mallory-weiss syndrome medical subject headings medicine megacolon megaesophagus melena menstruation mesenteric ischemia microscopic colitis milroy disease necrotizing enterocolitis non-alcoholic fatty liver disease nutcracker esophagus nutmeg liver nutrient obturator hernia ogilvie syndrome oral rehydration therapy pancreas pancreatic disease pancreatic fistula pancreatic pseudocyst pancreatitis peliosis hepatis pepto-bismol peritonitis pernicious anemia pneumoperitoneum portal hypertension portal hypertensive gastropathy postcholecystectomy syndrome primary biliary cirrhosis primary sclerosing cholangitis proctalgia fugax proctitis pseudodiarrhea pseudomembranous colitis pyloric stenosis radiation proctitis rectal prolapse rectum rokitansky-aschoff sinuses rotavirus salmonella salt serotonin shigella short bowel syndrome small intestine spigelian hernia spontaneous bacterial peritonitis steatorrhea stomach disease toxic megacolon tropical sprue ulcerative colitis umbilical hernia upper esophageal sphincter upper gastrointestinal bleeding vagotomy vascular disease vermiform appendix viral hepatitis virus vitamin c volvulus weight loss wiktionary