Keep primary OTC medicines handy. Medicine dispenser comes with four medicines: 30 doses each of Tylenol Extra Strength, Advil and Aleve; and 20 doses of Zantac 150. Refill with any medicine refill. Managers can help improve productivity by keeping employees at their station when minor maladies occur. Mounts on a wall or back of a door with two screws or picture hangers (not included).