pentobarbital will reduce the extent or result of fostemsavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.pentobarbital will lessen the extent or impact of methadone by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.pentobarbital will lessen the level or effect of pazopanib by impac