tinea nigra - Health Topics
Tinea nigra is a dark patch on your skin caused by a fungal infection. Learn about tinea nigra, its symptoms, causes, treatment, and more. What are the clinical features of tinea nigra?
Understanding the Context
Tinea nigra presents as unilateral or asymmetrical brown or black patches on the palms or soles. They are slightly scaly and do not itch or sting. The patches slowly enlarge. Dermoscopy can help distinguish tinea nigra from other brown-black skin lesions.
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Key Insights
Tinea nigra is a fungal infection that causes brown or black patches on palms or soles. It is not contagious and often happens when broken skin is in contact with infected soil or compost. Treatment includes using antifungal creams or exfoliating products, and it rarely goes away on its own. The course of tinea nigra is usually chronic, but the infection resolves rapidly with the appropriate treatment. The clinical features, diagnosis, and treatment of tinea nigra are discussed here.
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Tinea nigra is extremely superficial and can be removed from the skin by forceful scraping. It tends to appear in areas where eccrine sweat glands are highly concentrated. Tinea nigra is an uncommon superficial dermatomycosis usually caused by Hortaea werneckii, formerly known as Phaeoannellomyces werneckii, (formerly classified as Exophiala werneckii and... Keep reading to learn more about a tinea nigra infection, including the symptoms, diagnosis, and treatment options. Here, we present a clinical case of tinea nigra, offer clinical recommendations, and propose three diagnostic algorithms to aid in recognizing and diagnosing this uncommon condition. Discover tinea nigra causes, symptoms, and effective treatments.
Learn how to manage this rare fungal infection safely and effectively. Tinea nigra (TN) is a superficial fungal infection caused by the melanized fungus Hortaea werneckii, characterized by irregular dark patches, typically on the palms.