Several embodiments of the invention provide a container (10) for housing a composition comprising at least one active pharmaceutical agent, the container including an interior (60) for housing the composition and a viewing window (30) allowing the user to view the interior region from the outside of the container. In some embodiments, the container is a multi-layered wall. In other aspects, the container (200) includes a main body portion (210) and a base portion (230), the base portion having a tapered bottom (235), and the main body portion having a viewing window (220) to allow viewing of the interior of the container from the outside thereof.
