pentobarbital will lessen the level or effect of linagliptin by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. Use of other solutions is strongly advisable when linagliptin is always to be administered with a CYP3A4 inducerpentobarbital will lower the extent or result of elbasvir/grazoprevir by affecting hepatic/intesti