The four major forms of fungal nail infection are named for the location where the fungal infection begins while dermatophytes are the causes of practically all fungal nail infections. The 4 main varieties of fungal nail infection are distal subungual onychomycosis a.k.a. DSO, white superficial onychomycosis a.k.a. WSO, candida onychomycosis and proximal subungual onychomycosis a.k.a. […]