Abstract: Provided are humidity control devices, systems, and methods of controlling humidity in an enclosed container. A humidity control device can comprise a cap configured to attach to a container; a first tubular member passing through the cap to form a first portion of the first tubular member and a second portion of the first tubular member, the first portion comprising a proximal end extending away from the cap and the second portion comprising an inlet configured to receive a fluid, wherein when the cap is attached to the container, the first portion is within the container and the second portion is outside of the container, wherein the proximal end of the first tubular member comprises an outlet for delivering the fluid to an interior space of the container.

Abstract: Provided are pharmaceutical compositions and methods for preparing pharmaceutical compositions comprising wax coated tablets. Specifically, a wax coating can be applied to a pharmaceutical tablet prior to the film coating process.