The concomitant utilization of TYLENOL® with Codeine with all CYP3A4 inducers or discontinuation of the CYP3A4 inhibitor may result in reduced codeine amounts, larger norcodeine degrees, and fewer metabolism by means of CYP2D6 with resultant lessen morphine degrees. Your medical professional or pharmacist provides you with the producer's client facts https://wockusa.com/product-category/research-chemicals/