pentobarbital will reduce the extent or effect of voriconazole by affecting hepatic enzyme CYP2C9/ten metabolism. Insignificant/Significance Unfamiliar.pentobarbital will reduce the level or impact of theophylline by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Watch.RETURN, Substitute AND REFUND POLICY: If we designed a misca