ABOUT HOW MUCH FENTANYL HAS BEEN SEIZED

phenytoin will minimize the level or effect of fentanyl by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Check Intently. Coadministration of fentanyl with CYP3A4 inducers may lead to the lower in fentanyl plasma concentrations, lack of efficacy or, potentially, progress of a withdrawal syndrome in the patient that has formul