Tinea Nigra Treatment & Management

Updated: May 15, 2019
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: William D James, MD  more...
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Treatment

Medical Care

After tinea nigra is diagnosed on the basis of the findings from the patient's history, physical examination, and appropriate laboratory test, a topical medication designed to eradicate the fungal infection should be applied to the respective area. Topical application of antifungal agents usually resolves tinea nigra within 2-4 weeks. Topical ketoconazole cream may be a good choice, [16, 27]  as well other antifungals. [28, 29, 30] Prolonged therapy may be necessary to prevent relapse. Repeated vigorous scrubbing or topical application of keratolytic agents can reduce pigmentation. [23]

Spontaneous healing has been described but is rare. [31]

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Surgical Care

To aid the effectiveness of the topical medication in eradicating the dermatomycosis, the affected skin area should be scraped with a No. 15 scalpel blade prior to the initial application of the medicine.

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Prevention

Because infection is believed to occur after inoculation subsequent to trauma, patients should avoid potentially contaminated sources, such as soil, sewage, compost, and decaying wood.

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