This document discusses pharmaceutical packaging. It begins by defining pharmaceutical packaging and describing its ideal requirements, such as protecting products from environmental conditions while not reacting with or imparting tastes/odors to the product. It then discusses the functions of packaging including product identification, protection, promotion, and convenience. Next, it covers selection of packaging materials and types of packaging materials including glass, plastics, metals and others. It concludes by describing some common plastic materials used in pharmaceutical packaging like polyethylene, polyvinyl chloride, and polystyrene.