<unk>  is common in Crohn's disease but not always recognized. Most people with previous ileal resection and chronic diarrhea will have abnormal SeHCAT tests and can benefit from<unk> <unk>  sequestrants. People with primary<unk> <unk>  diarrhea are frequently misdiagnosed as having irritable bowel syndrome. When SeHCAT testing is performed, the diagnosis of primary<unk> <unk>  diarrhea is commonly made. In a review of 18 studies of the use of SeHCAT testing in diarrhea-predominant irritable bowel syndrome patients, 32% of 1223 people had a SeHCAT 7-day retention of less than 10%, and 80% of these reported a response to cholestyramine, a<unk> <unk>  sequestrant. Estimates of the population prevalence suggest that 1% of the adult population could have primary<unk> <unk>  diarrhea (Type 2<unk> .
Bile acid malabsorption
Irritable bowel syndrome
Fructose malabsorption
Microscopic colitis
Glucose-galactose malabsorption
Exocrine pancreatic insufficiency
Sucrose intolerance
Lactose intolerance