Template:Digestive system diseases - WikiMD's medical encyclopedia

Small intestine (Duodenum/Jejunum/Ileum)	* Enteritis Duodenitis Jejunitis Ileitis Peptic (duodenal) ulcer Curling's ulcer Malabsorption: Coeliac Tropical sprue Blind loop syndrome Small intestinal bacterial overgrowth Whipple's Short bowel syndrome Steatorrhea Milroy disease Bile acid malabsorption
Large intestine (Appendix/Colon)	* Appendicitis Colitis Pseudomembranous Ulcerative Ischemic Microscopic Collagenous Lymphocytic Dysentery Functional colonic disease IBS Intestinal pseudoobstruction / Ogilvie syndrome Megacolon / Toxic megacolon Diverticulitis/Diverticulosis/SCAD
Large and/or small	* Enterocolitis Necrotizing Gastroenterocolitis IBD Crohn's disease Vascular: Abdominal angina Mesenteric ischemia Angiodysplasia Bowel obstruction: Ileus Intussusception Volvulus Fecal impaction Constipation Functional Diarrhea Infectious Intestinal adhesions
Rectum	* Proctitis Radiation proctitis Proctalgia fugax Rectal prolapse (Internal rectal prolapse) Anismus Solitary rectal ulcer syndrome Rectal stricture
Anal canal	* Anal fissure/Anal fistula Anal abscess Hemorrhoid Anal dysplasia Pruritus ani Anal stricture

Liver	* Hepatitis Viral hepatitis Autoimmune hepatitis Alcoholic hepatitis Cirrhosis PBC Fatty liver MASLD Vascular Budd–Chiari syndrome Hepatic veno-occlusive disease Portal hypertension Nutmeg liver Alcoholic liver disease Liver failure Hepatic encephalopathy Acute liver failure Liver abscess Pyogenic Amoebic Hepatorenal syndrome Peliosis hepatis Metabolic disorders Wilson's disease Hemochromatosis
Gallbladder	* Cholecystitis Gallstone / Cholelithiasis Cholesterolosis Adenomyomatosis Postcholecystectomy syndrome Porcelain gallbladder
Bile duct/ Other biliary tree	* Cholangitis Primary sclerosing cholangitis Secondary sclerosing cholangitis Ascending Cholestasis/Mirizzi's syndrome Biliary fistula Haemobilia Common bile duct Choledocholithiasis Biliary dyskinesia Sphincter of Oddi dysfunction
Pancreatic	* Pancreatitis Acute Chronic Hereditary Pancreatic abscess Pancreatic pseudocyst Exocrine pancreatic insufficiency Pancreatic fistula

Other

Hernia	* Diaphragmatic Congenital Hiatus Inguinal Indirect Direct Umbilical Femoral Obturator Spigelian Lumbar Petit's Grynfeltt–Lesshaft Undefined location Incisional Internal hernia Richter's
Peritoneal	* Peritonitis Spontaneous bacterial peritonitis Hemoperitoneum Pneumoperitoneum