Research Keyword: refractory infection

Refractory fungal infection: Three case reports highlighting good practice

This case series examines three patients with serious fungal infections that did not respond well to standard antifungal treatments. The cases demonstrate how fungi can develop resistance to common antifungal drugs like azoles, making infections harder to treat. The authors emphasize that accurate identification of the fungus, testing its sensitivity to drugs, monitoring drug levels in the blood, and careful use of antifungal medications are essential for successfully treating these difficult infections.

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A case of refractory onychomycosis caused by Kloeckera apiculata: Successful treatment with itraconazole

A 32-year-old man had a stubborn fungal nail infection caused by an extremely rare yeast called Kloeckera apiculata that didn’t respond to three different antifungal treatments over several years. After being identified through specialized laboratory testing including genetic sequencing, the infection was successfully cured with a 3-month course of the oral antifungal medication itraconazole. This case is notable because it is only the fourth known case of this rare fungal infection in humans and the first one to achieve complete cure with itraconazole treatment.

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