The consequences of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, demanding watchful thing to consider of the results around the mum or dad drug, codeine, and the Lively metabolite, morphine.If a patient requires a refill, reevaluate the cause of the cough and evaluat