Fusarium spp. are the common onychomycosis pathogens in non-dermatophyte molds, and are considered resistant to many antifungal agents. We reported onychomycosis of the fingernail caused by Fusarium solani in Vietnam. The minimum inhibitory concentration of terbinafine against the tested isolate was 1μg/ml, which was the lowest of all antimycotic agents. The patient was successfully treated with a daily dose of 250mg terbinafine for two months, and no recurrence occurred after a one-year follow-up. Antifungal susceptibility testing is recommended in Fusarium onychomycosis.
Keywords: Antifungal susceptibility testing; Fusarium solani; Onychomycosis; Onychomycosis treatment; Terbinafine susceptible.
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