, ritonavir) or discontinuation of a cytochrome P450 3A4 inducer which include rifampin, carbamazepine, and phenytoin, might end in a rise in codeine plasma concentrations with subsequently increased metabolism by cytochrome P450 2D6, resulting in better morphine stages, which could boost or extend adverse reactions and may lead to possibly https://akorncodeine68887.blogpostie.com/53982882/details-fiction-and-akorn-promethazine-codeine