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What is Mucha-Habermann disease

Mucha-Habermann disease may also be called PLEVA (pityriasis lichenoides et varioliformisacuta). It is a skin disease characterized by a recurrent red rash that is itchy and burning. There are red elevated areas on the skin, with small pus, lymph, or serous-filled blister-like elevations. There also may be headache, chills, malaise, and sometime pain in one or more joints. It affects females and males equally.

Pityriasis lichenoides et varioliformis acuta (PLEVA) is the acute form of an inflammatory skin condition called pityriasis lichenoides. People with PLEVA may develop a few to more than one hundred scaling papules which may become filled with blood and/or pus, or erode into crusted red-brown spots. Papules may itch or burn, and some people may experience fever or joint pain. Although PLEVA may occur at any age (including infancy), it most commonly affects children and young adults. A skin biopsy is needed to confirm the diagnosis. The exact underlying cause is unknown, but some scientists suspect that it may occur due to an exaggerated immune response to an infection or an overproduction of certain white blood cells (a lymphoproliferative disorder). If treatment is necessary, recommended therapies may include oral antibiotics, sun exposure, topical steroids, immunomodulators (medications used to help regulate or normalize the immune system), phototherapy and/or systemic steroids. PLEVA may last for a few weeks to years, and may fluctuate between getting better and worse before going away on its own.[1][2][3][4]

This information is provided by the National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD).
https://rarediseases.info.nih.gov/diseases/9768/pityriasis-lichenoides-et-varioliformis-acuta

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