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Despite the known association with IFN-γ, erythema multiforme is not considered a humorally-mediated autoimmune reaction. [8] Rarely, some patients may suffer from a persistent and treatment-resistant form of erythema multiforme caused by the Epstein-Barr virus. This pathology is distinct from the recurrent cases that sometimes arise from HSV ...
Target lesions are the typical lesions of erythema multiforme, in which a vesicle is surrounded by an often hemorrhagic maculopapule. Erythema multiforme is often self-limited, of acute onset, resolves in three to six weeks, and has a cyclical pattern. Its lesions are multiform (polymorphous) and include macules, papules, vesicles, and bullae.
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.
In dermatology, erythema multiforme major is a form of rash with skin loss or epidermal detachment. The term "erythema multiforme majus" is sometimes used to imply a bullous (blistering) presentation. [2] According to some sources, there are two conditions included on a spectrum of this same disease process: Stevens–Johnson syndrome (SJS)
Skin and mucous membranes: 20 to 30% of people with relapsing polychondritis have skin involvement, including aphthous ulcers, genital ulcers, and a number of non-specific skin rashes including erythema nodosum, livedo reticularis, hives, and erythema multiforme. [7]
Erythema multiforme (EM) is generally considered a separate condition. [6] Treatment typically takes place in hospital such as in a burn unit or intensive care unit. [3] [7] Efforts include stopping the cause, pain medication, and antihistamines. [3] [4] Antibiotics, intravenous immunoglobulins, and corticosteroids may also be used.
Erythema nodosum: Large red bumps that seem to bruise and are tender to touch Anywhere Psoriasis: White, scaly rash over red, flaky, irritated skin Elbows and knees Erythema multiforme: Red, blotchy rash, with "target like" hives or sores. Anywhere Measles: Red rash that is raised with a fever or sore throat.
Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] It occurs with any skin injury, infection, or inflammation .