Three types of bile acid-induced diarrhoea can be distinguished. The best documented and
most common entity is represented by type I bile acid malabsorption, which occurs as the
result of a pathologically, anatomically defined ileopathy. Type II bile acid malabsorption is
found in the setting of a morphologically completely normal ileum. This primary disorder of
bile acid transport, which has been described in only a few paediatric and adult patients,
appears to be rare. The third variety of bile acid malabsorption is characterized by the history …