The concomitant utilization of TYLENOL® with Codeine with all CYP3A4 inducers or discontinuation of a CYP3A4 inhibitor may well cause lessen codeine stages, better norcodeine degrees, and less metabolism by way of CYP2D6 with resultant lower morphine levels.Cold, clammy pores and skin dry mouth fainting no hypertension or pulse no muscle tone or m