Bile-Acid Malabsorption

Key points

• Bile-acid malabsorption is a cause of chronic diarrhoea. This may be primary, due to an excessive production of bile acid, or secondary to an underlying gastrointestinal disorder causing reduced bile acid absorption.
• cholecystectomy
• coeliac disease
• small intestinal bacterial overgrowth Investigation
• the test of choice is SeHCAT