Onychomycosis.

The prevalence and clinical types of onychomycosis and diagnostic methods are reviewed in this article. The need for correct identification of the causative organism is emphasized. The use of oral and topical therapeutic agents is outlined, with specific emphasis on relevant research data and potential side effects of these agents. Sections on the potential hazard of nail dust, onychomycosis in HIV-infected patients, and the long-term management of onychomycosis are also included.