Contact sensitization in very young children.

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Belloni Fortina A, Romano I, Peserico A, Eichenfield LF

Contact sensitization in very young children.

J Am Acad Dermatol. 2011 Oct;65(4):772-9. doi: 10.1016/j.jaad.2010.07.030. Epub 2011 May 25.

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21616561 [ View in PubMed
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Abstract

BACKGROUND: Allergic contact dermatitis is an increasingly recognized clinical problem in children. OBJECTIVE: The aim of our study was to evaluate contact sensitization in patients younger than 3 years of age with suspected contact dermatitis. METHODS: During a 6-year period (2002-2008), 321 children underwent routine patch testing with a screening pediatric standard series of 30 allergens. RESULTS: Two hundred children (62.3%; 102 girls and 98 boys aged 3-36 months [mean age 27 + 5.6 months]) developed at least one positive reaction. The most frequent reactions were to nickel sulfate (26.8%), followed by potassium dichromate (9%), cocamidopropylbetaine (7.2%), cobalt chloride (6.2%), neomycin sulfate (5%), and methylchloroisothiazolinone/methylisothiazolinone (4.4%). The prevalence of contact sensitization was similar in children with (61.3%) and without (63%) atopic dermatitis. LIMITATIONS: The prevalence of contact sensitization in children younger than 3 years of age was not compared with the prevalence in older children. CONCLUSION: A high prevalence of contact sensitization was found in preschool children, even younger than 3 years of age. Patch testing should be considered in this age group when persistent dermatitis does not respond to conventional treatment.

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