NOT KNOWN FACTUAL STATEMENTS ABOUT AKORN PROMETHAZINE CODEINE

, ritonavir) or discontinuation of the cytochrome P450 3A4 inducer which include rifampin, carbamazepine, and phenytoin, might lead to an increase in codeine plasma concentrations with subsequently better metabolism by cytochrome P450 2D6, leading to higher morphine stages, which could enhance or prolong adverse reactions and should induce potentia