A cabinet, a drawer assembly and an associated method are provided for controllably limiting the slideable extension of a drawer relative to a cabinet body. The cabinet is configured to store a plurality of medications and includes a cabinet body and a drawer assembly that, in turn, includes a drawer slideably disposed within the cabinet body and an extension control rod. The drawer may include a plurality of pockets for storing respective medications. The drawer may also include an outwardly extending engagement member. The extension control rod may include a plurality of outwardly extending projections that are arranged helically about the rod. As such, engagement of a projection of the extension control rod with the engagement member of the drawer limits further slideable extension of the drawer relative to the cabinet body.