pentobarbital will reduce the extent or effect of pimozide by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Significance Unfamiliar.Contraindicated (1)pentobarbital will lower the extent or effect of elbasvir/grazoprevir by influencing hepatic/intestinal enzyme CYP3A4 metabolism.Monitor Carefully (one)pentobarbital will minimize th