The safety and efficiency of TYLENOL® with Codeine in pediatric patients down below the age of eighteen have not been established. If concomitant usage of a CYP3A4 inhibitor is necessary or if a CYP3A4 inducer is discontinued, consider dosage reduction of TYLENOL® with Codeine until steady drug effects are realized. https://wockusa.com/product-category/anti-cancer/