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Patch Testing with Formaldehyde 2.0% in Parallel with 1.0% by the Swedish Contact Dermatitis Research Group
Lund Univ, Skane Univ Hosp, Dept Occupat & Environm Dermatol, Dept Dermatol, Malmo, Sweden..
Univ Gothenburg, Sahlgrenska Acad, Dept Dermatol, Gothenburg, Sweden..
Lund Univ, Skane Univ Hosp, Dept Occupat & Environm Dermatol, Dept Dermatol, Malmo, Sweden..
Orebro University Hospital. Dept Dermatol.
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2014 (English)In: Acta Dermato-Venereologica, ISSN 0001-5555, E-ISSN 1651-2057, Vol. 94, no 4, 408-410 p.Article in journal (Refereed) Published
Abstract [en]

In a multicentre study consecutively patch-tested dermatitis patients were tested simultaneously with 1.0% and 2.0% (w/v) formaldehyde in aqua applied with a micro-pipette (15 mu l) to the filter paper disc in Finn Chambers (0.30 mg/cm(2) and 0.60 mg/cm(2), respectively). A total of 2,122 dermatitis patients were patch-tested. In all, 77 (3.6%) patients reacted positively to formaldehyde; 37 reacted only to 2.0%, 35 reacted to both concentrations and 5 patients reacted only to 1.0%. Significantly more patients were thus diagnosed with contact allergy to formaldehyde with 2.0% compared to 1.0% (p<0.001) without causing more irritant reactions. The detected number of isolated allergic reactions to the 2 formaldehyde-releasers in the Swedish baseline series and not to formaldehyde itself raises the question whether quaternium-15 1.0% and diazolidinyl urea 2.0% should be present in the Swedish baseline series.

Place, publisher, year, edition, pages
2014. Vol. 94, no 4, 408-410 p.
Keyword [en]
formaldehyde, simultaneous contact allergy, baseline series, micropipette, patch test, dose mg/cm(2), preservative, formaldehyde releasers
National Category
Dermatology and Venereal Diseases
Identifiers
URN: urn:nbn:se:oru:diva-56568DOI: 10.2340/00015555-1748ISI: 000339416100007PubMedID: 24337098OAI: oai:DiVA.org:oru-56568DiVA: diva2:1082907
Available from: 2017-03-20 Created: 2017-03-20 Last updated: 2017-03-20Bibliographically approved

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CiteExportLink to record
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