Contact allergy in Danish children: Current trends

Background Contact allergy is common in children, but may be underdiagnosed. Importantly, the clinical relevance of specific allergies is subject to constant change, and it is therefore important to continuously monitor the trends and changes of contact allergies in the paediatric population. Object...

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Bibliographic Details
Published in:Contact dermatitis 2018-11, Vol.79 (5), p.295-302
Main Authors: Simonsen, Anne B., Foss‐Skiftesvik, Majken H., Thyssen, Jacob P., Deleuran, Mette, Mortz, Charlotte G., Zachariae, Claus, Skov, Lone, Osterballe, Morten, Funding, Anne, Avnstorp, Christian, Andersen, Bo L., Vissing, Susanne, Danielsen, Anne, Dufour, Nathalie, Nielsen, Niels H., Thormann, Henrik, Sommerlund, Mette, Johansen, Jeanne D.
Format: Article
Language:English
Subjects:
Adolescent
Adolescents
Allergens
Allergens - adverse effects
allergic contact dermatitis
Allergies
Atopic dermatitis
Child
Child, Preschool
Children
Cobalt - adverse effects
contact allergy
Contact dermatitis
Denmark - epidemiology
Dermatitis
Dermatitis, Allergic Contact - diagnosis
Dermatitis, Allergic Contact - epidemiology
Dermatitis, Allergic Contact - etiology
Dermatitis, Atopic - diagnosis
Dermatitis, Atopic - epidemiology
Dermatitis, Atopic - etiology
Eczema
epidemiology
Female
Humans
Infant
Male
Nickel
Nickel - adverse effects
patch testing
Patch Tests
Perfume - adverse effects
Preservatives, Pharmaceutical - adverse effects
Prevalence
Retrospective Studies
Statistical analysis
Trends
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Summary:Background Contact allergy is common in children, but may be underdiagnosed. Importantly, the clinical relevance of specific allergies is subject to constant change, and it is therefore important to continuously monitor the trends and changes of contact allergies in the paediatric population. Objectives To identify possible changes in contact allergy and allergic contact dermatitis among Danish children referred for patch testing. Methods A retrospective study was performed based on patch test data from the Danish National Database of Contact allergy. The current data were compared with previously published data on Danish children referred for patch testing. Results Between 2012 and 2016, 1573 children and adolescents were patch tested. Overall, 385 (24.5%) had at least 1 positive patch test reaction. The overall prevalence was similar in boys and girls, across age groups, and in patients with and without atopic dermatitis. Statistically significant increases in contact allergy to fragrances and isothiazoliones were seen, whereas a decrease in nickel allergy was found. Conclusion Allergic contact dermatitis continues to be a common disease in children, and is even significantly increasing for some allergens.
ISSN:0105-1873
1600-0536
DOI:10.1111/cod.13079