, ritonavir) or discontinuation of a cytochrome P450 3A4 inducer for instance rifampin, carbamazepine, and phenytoin, could result in an increase in codeine plasma concentrations with subsequently higher metabolism by cytochrome P450 2D6, resulting in greater morphine levels, which could maximize or prolong adverse reactions and should bring about likely https://franciscopqomi.dbblog.net/5584599/a-review-of-akorn-codeine