GETTING MY FENTANYL SYMPTOM CHECKER TO WORK

phenytoin will lessen the level or effect of fentanyl by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Keep an eye on Closely. Coadministration of fentanyl with CYP3A4 inducers may lead to some minimize in fentanyl plasma concentrations, deficiency of efficacy or, quite possibly, advancement of a withdrawal syndrome in a ver