Immune-mediated inflammatory reaction
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Explore overview, symptoms, causes, treatment, diagnosis, prevention, and FAQ articles for this condition.
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FAQ about Erythema multiforme
This FAQ explains erythema multiforme, a skin reaction that can look dramatic but is often self-limited. The condition has a characteristic pattern, a few common triggers, and several important distinctions from more severe blistering disorders. Below, the answers focus on what…
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Prevention of Erythema multiforme
Erythema multiforme is not a condition that can usually be prevented in the strict sense, because it often appears as an immune-mediated reaction to an external trigger rather than arising spontaneously. In many people, the goal is therefore risk reduction rather…
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Treatment for Erythema multiforme
Erythema multiforme is treated with a combination of trigger control, symptom-directed medication, and supportive care. The main treatments are antihistamines and topical corticosteroids for comfort, systemic corticosteroids in selected severe cases, antiviral therapy when herpes simplex virus is the cause or…
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Diagnosis of Erythema multiforme
Erythema multiforme is usually diagnosed by combining the clinical appearance of the skin and mucosal lesions with the patient’s recent medical history and, when needed, selected laboratory or tissue tests. In many cases, the diagnosis is made primarily by visual recognition…
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Causes of Erythema multiforme
Erythema multiforme is caused by an abnormal immune reaction, usually triggered by an infection and less often by a medication or another inflammatory stimulus. The condition does not arise because the skin is intrinsically diseased; rather, it develops when the immune…
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Symptoms of Erythema multiforme
The symptoms of erythema multiforme are dominated by characteristic skin lesions, often arranged in a symmetrical pattern, and in some cases by painful involvement of the mouth, eyes, or other mucosal surfaces. The usual pattern includes round, target-shaped spots or plaques,…
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What is Erythema multiforme
Erythema multiforme is an acute, immune-mediated skin disorder that produces a characteristic pattern of target-like lesions on the skin and sometimes the mucous membranes. It primarily involves the skin, and in more extensive forms the lining tissues of the mouth, eyes,…