RxNav: Providing Standard Drug Information.

RxNav1 is a browser for RxNorm2, the NLM repository of standard names for clinical drugs. RxNav displays links from clinical drugs, both branded and generic, to their active ingredients, drug components and related brand names. The current dataset (July 11, 2006) comprises 5,591 ingredients, 10,998 brand names, 13,913 clinical drug components, 17,788 clinical drugs, 13,850 branded drugs, 13,253 branded drug component, 8,296 clinical drug forms, 10,862 branded drug forms and 140 dose forms. RxNorm is one of a suite of designated standards for use in U.S. Federal Government systems for the electronic exchange of clinical health information. Since its introduction at Medinfo 2004, RxNav has been successfully deployed for almost two years, with an average of about 20 users per day. Based on the feedback from the community, RxNav makes constant improvements. Today, it provides a variety of features that facilitates browsing standard drug information.