Duodenitis

Medical condition

Duodenitis is inflammation of the duodenum. It may persist acutely or chronically.^[1]

Signs and symptoms

Known symptoms of duodenitis include:

Known causes of duodenitis include:^[2]

Diagnosis is generally made by endoscopy with biopsy to evaluate histology. Review of symptoms and associated conditions is important.

Treatment is aimed at removing the irritant or infection. Helicobacter pylori infection is usually treated with antibiotics.

^ "Gastritis and gastropathy". National Institute of Diabetes and Digestive and Kidney Diseases, US National Institutes of Health. 2023. Retrieved 1 June 2023.
^ Serra S, Jani PA (2006). "An approach to duodenal biopsies". J. Clin. Pathol. 59 (11): 1133–50. doi:10.1136/jcp.2005.031260. PMC 1860495. PMID 16679353.

Classification	D ICD-10: K29.8 ICD-9-CM: 535.6 MeSH: D004382 SNOMED CT: 72007001

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 Diarrhea Infectious Intestinal adhesions
Rectum	Proctitis Radiation proctitis Proctalgia fugax Rectal prolapse Anismus Solitary rectal ulcer syndrome
Anal canal	Anal fissure/Anal fistula Anal abscess Hemorrhoid Anal dysplasia Pruritus ani

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