Evolution of nasal aerosol products for pain management

Although nasal aerosol products to treat pain have been available for a number of years, recent developments have brought renewed interest to this market. In addition, estimated at over two billion dollars in 2009, the world market for nasally administered systemic drugs has seen strong growth in the last few years. This article will look at the past, present and future of this particular aerosol application with a focus on some of the devices used to deliver the aerosolized drug.