thus , it would seem reasonable to pay particular attention to several groups of patients who are receiving therapy or have had operations that alter bile acid and/or cholesterol metabolism : 1 ) patients who have had jejunoileal bypass procedures for morbid obesity or hypercholesterolemia , 2 ) patients taking cholestyramine and/or other anti-hyperlipidemic agents , 3 ) patients receiving chenodeoxycholic therapy to dissolve gallstones , 4 ) patients taking the birth control pill , and 5 ) young patients who have had a cholecystectomy .
C0020443
hypercholesterolemia
C0008402
cholestyramine