Embodiments generally relate to a pill box adapted for dispensing medication. In one embodiment, the pill box includes a base member, a carousel coupled to the base member and configured to rotate about the base member, one or more compartments, each compartment formed within the carousel and configured to store a single dose of medication with a lid configured to enclose the base and the carousel. The pill box ratchet advancement mechanism includes a resilient member and a stop member configured to facilitate motion of the carousel in a first direction and to restrict motion in a second direction, and a locking component configured to permit a pre-determined displacement of the carousel in the first direction and to limit further displacement in the first direction by locking the carousel.