The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are sophisticated, necessitating mindful thing to consider of the results on the dad or mum drug, codeine, and the Lively metabolite, morphine.Discontinuation of a concomitantly employed cytochrome P450 2D6 inhibitor may