This course deals with preparation of fluid pharmaceutical dosage forms. it has been designed to help pharmacy student to understand the concepts of liquid dosage forms. types of these dosages (solutions and colloidal and course dispersions), methods preparations, rationale of clinical uses, applications, advantages and drawbacks. self-life and factors affecting drug stability. The following main subjects are going to be covered: pharmaceutical solutions, pharmaceutical suspensions, pharmaceutical emulsions, colloidal systems, liposomal and nanoparticles preparations and aerosols. drug stability and shelf life.