pentobarbital will lessen the extent or result of trazodone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.pentobarbital will decrease the extent or result of fentanyl by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Watch Carefully. Coadministration of fentanyl with CYP3A4 inducers could… Read More