Interfered reabsorption of bile acid prep eg, ursodeoxycholic acid, chenodeoxycholic acid. Attenuated effects w/ Al-containing antacids (eg, sucralfate hydrate, aldioxa), cholestyramine, colestimide. Elevated blood levels & enhanced effects of digoxin, dabigatran etexilate, methanesulfonate. Decreased blood levels & effect of midazolam.