Liquid dosage forms

Liquid dosage forms have been widely applied in the pharmaceutical industry, with their applications ranging from oral preparations and injectables all the way through otic, nasal, rectal, and vaginal formulations. This chapter outlines the different types of liquid dosage forms, comparing their individual constituents and discussing their main features. A brief overview of the predominant methods of preparation has been included, along with the critical physical attributes to be considered when formulating them. In particular, focus has been given to their applications through different routes of administration with emphasis on the advantages that they offer over other pharmaceutical dosage forms.