PROXIMAL SUBUNGUAL ONYCHOMYCOSIS
By Gary M. White, MD
Proximal subungual onychomycosis is a rare type of fungal infection in which the fungus invades the area under the nail via the proximal nail fold. This type of infection is most common in the HIV-positive population.
A proximal whitish discoloration occurs under the nail.
One may need to use a punch or other instrument to perforate the superficial nail and obtain material for culture.
An oral antifungal agent is usually needed (e.g. terbinafine or itraconazole). See onychomycosis.
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