May interfere w/ reabsorption of bile acid prep (eg, ursodeoxycholic acid, chenodeoxycholic acid). May attenuate the effects w/ Al-containing antacids (eg, sucralfate hydrate, aldioxa), cholestyramine & colestimide. May elevate & enhance effects of digoxin, dabigatran, etexilate methanesulfonate. May decrease blood levels & effects of midazolam.