, ritonavir) or discontinuation of a cytochrome P450 3A4 inducer like rifampin, carbamazepine, and phenytoin, may possibly lead to an increase in codeine plasma concentrations with subsequently higher metabolism by cytochrome P450 2D6, resulting in increased morphine degrees, which could raise or prolong adverse reactions and will cause most likely https://damienydaxx.blogs100.com/32741447/getting-my-akorn-promethazine-codeine-to-work