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Prurigo Nodularis (PN) is a skin condition that causes sores after repetitive trauma to the skin. Prurigo nodularis itself is not contagious. The cause is unknown; some factors trigger PN, which include nervous and mental conditions, reduced function of the liver and kidneys, and certain skin diseases such as eczema.
Considering this, is Prurigo Nodularis an autoimmune disease?
Causes. The cause of prurigo nodularis is unknown, although other conditions may induce PN. PN has been linked to Becker's nevus, linear IgA disease, an autoimmune condition, liver disease and T cells.
Also to know, is Prurigo Nodularis cancerous?
Prurigo nodularis (PN) is an extremely pruritic, inflammatory skin disease associated with multiple underlying comorbidities. Case reports have noted an association between PN and malignancy, including lymphoma and solid organ tumors.
Topical, oral, and intralesional corticosteroids have all been used in prurigo nodularis in attempts to decrease inflammation and sense of itching and to soften and smooth out firm nodules. The improvement with corticosteroids is variable, and corticosteroids are sometimes not helpful.