The role of contact allergy to aeroallergens in atopic dermatitis

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Abstract
In some patients with atopic dermatitis (AD), delayed‐type allergy to aeroallergens, such us house dust mite, can be demonstrated by patch testing. Positive patch tests can be expected only in patients with AD and, in them, only to aeroallergens to which type 1 reactions have also been demonstrated. In an as yet unknown number of such cases, aeroallergens appear lo play H role in AD. Studies to dale have varied too widely in experimental method and design to allow more definite conclusions 10 he drawn, It is essential that future studies are standardised with regard lo patch test system and designed to include adequate controls und assessment of relevance.