Malabsorption
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Malabsorption is the state of impaired absorption of nutrients in the small intestine. It has many different potential causes. Specific causes lead to different patterns in malabsorption. It may involve fat and fat-soluble vitamins (A, D, E and K); it may also affect vitamin B12, folic acid, iron, protein and carbohydrates. Diarrhea is often present clinically, although this may not be the immediate cause for seeing a physician.
Causes
- Coeliac disease
- Insufficiency of the pancreas (e.g. after pancreatitis or in cystic fibrosis)
- Whipple's disease (a very rare bacterial infection)
- Many more
| Health science - Medicine - Gastroenterology |
| Diseases of the esophagus - stomach |
| Halitosis - Nausea - Vomiting - GERD - Achalasia - Esophageal cancer - Esophageal varices - Peptic ulcer - Abdominal pain - Stomach cancer - Functional dyspepsia |
| Diseases of the liver - pancreas - gallbladder - biliary tree |
| Hepatitis - Cirrhosis - NASH - PBC - PSC - Budd-Chiari syndrome - Hepatocellular carcinoma - Pancreatitis - Pancreatic cancer - Gallstones - Cholecystitis |
| Diseases of the small intestine |
| Peptic ulcer - Intussusception - Malabsorption (e.g. celiac disease, lactose intolerance, fructose malabsorption, Whipple's disease) - Lymphoma |
| Diseases of the colon |
| Diarrhea - Appendicitis - Diverticulitis - Diverticulosis - IBD (Crohn's disease and Ulcerative colitis) - Irritable bowel syndrome - Constipation - Colorectal cancer - Hirschsprung's disease - Pseudomembranous colitis |