pentobarbital will lower the level or result of isavuconazonium sulfate by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.pentobarbital will decrease the level or result of elbasvir/grazoprevir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. The therapeutic impact of elbasvir/grazoprevir could be