GETTING MY AKORN PROMETHAZINE CODEINE TO WORK

, ritonavir) or discontinuation of the cytochrome P450 3A4 inducer for instance rifampin, carbamazepine, and phenytoin, may well result in an increase in codeine plasma concentrations with subsequently greater metabolism by cytochrome P450 2D6, resulting in higher morphine concentrations, which could increase or lengthen adverse reactions and will