Non medicatedup to 8 hours per padincludes 5 vicks refill scent padshow it worksthe comforting vapors vapouriser works by heat activating the soothing menthol vapours in the vicks vapopad and releasing them in the airguiding slots make it easy to insert and remove scent padssimply plug unit in for up to 8 hours of soothing comfortsoft glowing nightlightsoothing vicks vapours