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  • Title: Recognizing and managing eczematous id reactions to molluscum contagiosum virus in children.
    Author: Netchiporouk E, Cohen BA.
    Journal: Pediatrics; 2012 Apr; 129(4):e1072-5. PubMed ID: 22412023.
    Abstract:
    Molluscum contagiosum (MC) is a self-limiting cutaneous viral eruption that is very common in children. MC infection can trigger an eczematous reaction around molluscum papules known as a hypersensitivity or an id reaction. In addition, a hypersensitivity reaction can occasionally occur at sites distant from the primary molluscum papules. These eczematous reactions are often asymptomatic or minimally pruritic. We believe that id reactions represent an immunologically mediated host response to MC virus and a harbinger of regression. Therefore, these reactions often do not require treatment other than emollients. Moreover, topical steroids or immunomodulators may suppress this process and potentiate the spread of the primary MC infection. However, in symptomatic patients, treatment should not be withheld and short-course treatments of topical corticosteroids may be used. In this case series, we describe 3 cases of hypersensitivity reactions in otherwise healthy children with MC. We hope that our report will make clinicians more aware of this common eczematous response to MC and will improve the management and counseling of these patients and their parents.
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