The safety and success of TYLENOL® with Codeine in pediatric patients down below the age of eighteen have not been established. If concomitant utilization of a CYP3A4 inhibitor is essential or if a CYP3A4 inducer is discontinued, consider dosage reduction of TYLENOL® with Codeine until steady drug effects are obtained. https://wockusa.com/product/mdphp/