Showing posts with label Erythema Multiforme. Show all posts
Showing posts with label Erythema Multiforme. Show all posts

Wednesday, November 1, 2017

Erythema Multiforme


●Erythema multiforme (EM) is an acute, immune-mediated disorder that involves the skin and/ormucosal surfaces. The treatment of acute EM varies according to the severity of the acute eruption and the presence or absence of recurrent disease.

●Many cases of EM occur secondary to herpes simplex virus (HSV) infection. In patients with HSV-induced EM, treatment with oral antivirals in the acute setting does not alter the course of EM, and is not indicated.

●Most patients with EM can be managed with symptomatic therapy alone. For patients with cutaneous disease and/or mild oral mucosal involvement, treatment with topical corticosteroids, oral antihistamines, and/or an anesthetic mouthwash is sufficient.

●Severe oral mucosal involvement may be accompanied by intense pain and an inability to eat or drink. For patients with severe oral mucosal involvement, we suggest treatment with oral prednisone (40 to 60 mg/day) tapered over the course of two to four weeks (Grade 2C). Patients with disabling symptoms may require hospitalization for nutrition and pain control.

●Ocular involvement rarely may lead to keratitis, conjunctival scarring, or visual impairment. Patients with ocular symptoms should be referred to an ophthalmologist.

●Some patients with EM develop recurrent disease. When feasible, the inciting agent should be identified and eliminated. For patients with HSV-induced or idiopathic EM that recurs ≥6 times per year, or who have fewer, but disabling episodes, we recommend treatment with continuous antiviral therapy (Grade 1B).

●For patients with severe, recurrent EM who fail to respond to continuous systemic antiviral therapy, we suggest treatment with azathioprine, mycophenolate mofetil, or dapsone (Grade 2C). Other options for therapy include other immunomodulatory drugs.
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