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How is trichomycosis nodularis diagnosed?

There are several ways to treat trichomycosis nodularis (piedra), based on what type of fungus causes the infection. The best solution is usually to shave off the hair in the infected area. Infections of most types of fungi can be treated with topical antifungal medications that contain salicylic acid or formaldehyde. However, some antifungal medications cannot be used to treat both varieties of piedra. For example, black piedra can be treated with antifungals containing azole, but white piedra are resistant to it. Oral medication (such as ketoconazole or terbinafine) can also be taken if you have a negative reaction to topical treatment.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.