Indicated in the treatment of primary biliary cirrhosis (PBC) and for the dissolution of small to medium sized radiolucent, cholesterol-rich gall-stones in patients with a functioning gall bladder.

Cholesterol stones coated with calcium or stones composed of bile pigments are not dissolved by ursodeoxycholic acid. Urdox has a particular place in the treatment of patients in whom surgery is contraindicated or who are anxious to avoid surgery.