pentobarbital will minimize the level or effect of solifenacin by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.pentobarbital will lessen the extent or impact of alosetron by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Slight/Importance Not known.pentobarbital will reduce the level or effect of almotri