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Duodenitis

**Duodenitis**
*Classification & external resources*
ICD-10	K29.8
ICD-9	535.6
MeSH	D004382

Duodenitis is inflammation of the duodenum. It may persist acutely or chronically.

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1 Causes
2 Symptoms
3 Diagnosis
4 Treatment

Causes

Known causes of duodenitis include:

Bacterial infection (often by Helicobacter pylori)
Viral infection
NSAIDs

Symptoms

Known symptoms of duodenitis include:

Abdominal pain

Diagnosis

Diagnosis is generally made by endoscopy and reviewing symptoms.

Treatment

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

v • d • e Digestive system - Gastroenterology (primarily K20-K93, 530-579)
Esophagus	Esophagitis - GERD - Achalasia - Boerhaave syndrome - Nutcracker esophagus - Zenker's diverticulum - Mallory-Weiss syndrome - Barrett's esophagus
Stomach/ duodenum	Peptic (gastric/duodenal) ulcer - Gastritis - Gastroenteritis - Duodenitis - Dyspepsia - Pyloric stenosis - Achlorhydria - Gastroparesis - Gastroptosis - Portal hypertensive gastropathy
Hernia	Inguinal (Indirect, Direct) - Femoral - Umbilical - Incisional - Diaphragmatic - Hiatus
Noninfective enteritis and colitis	IBD (Crohn's, Ulcerative colitis) - noninfective gastroenteritis
Other intestinal	vascular (Abdominal angina, Mesenteric ischemia, Ischemic colitis, Angiodysplasia) - Ileus/Bowel obstruction (Intussusception, Volvulus) - Diverticulitis/Diverticulosis - IBS other functional intestinal disorders (Constipation, Diarrhea, Megacolon/Toxic megacolon, Proctalgia fugax) - Anal fissure/Anal fistula - Anal abscess - Rectal prolapse - Proctitis (Radiation proctitis)
Liver/hepatitis	Alcoholic liver disease - Liver failure (Acute liver failure) - Cirrhosis - PBC - NASH - Fatty liver - Peliosis hepatis - Portal hypertension - Hepatorenal syndrome
Accessory digestive	Gallbladder (Gallstones, Choledocholithiasis, Cholecystitis, Cholesterolosis, Rokitansky-Aschoff sinuses) Biliary tree (Cholangitis, Cholestasis/Mirizzi's syndrome, PSC, Biliary fistula, Ascending cholangitis) Pancreas (Acute pancreatitis, Chronic pancreatitis, Pancreatic pseudocyst, Hereditary pancreatitis)
Other/general	Appendicitis - Peritonitis (Spontaneous bacterial peritonitis) Malabsorption (celiac, Tropical sprue, Blind loop syndrome, Whipple's) postprocedural: Gastric dumping syndrome - Postcholecystectomy syndrome bleeding: Hematemesis - Melena - Gastrointestinal bleeding (Upper, Lower)
See also congenital