copyright topical decreases effects of codeine by impacting hepatic enzyme CYP2D6 metabolism. Use Warning/Keep track of. Stops conversion of codeine to its Lively metabolite morphine. TYLENOL® with Codeine tablets are contraindicated for all small children more youthful than twelve years of age (see CONTRAINDICATIONS). Accidental ingestion of TYLENOL® with Codeine, https://wockusa.com/shop-2/