Birch pollen allergy T78.0, T 78.1, L27.-

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 20.05.2022

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Bet v 2

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19-25% of pollinators in Central Europe are sensitized to birch pollen (see below pollen; see below tree pollen). Birch pollen allergy sufferers react particularly frequently (30-70%) to food (see cross-reaction below). The most frequent cross allergies are to stone and pome fruit (especially apple; see below apple allergy), soya (Gly m4), nuts, raw vegetables (especially carrots), celery (Api g1), less frequently to Brazil nuts and peppers.

These food allergies often manifest themselves as " oral allergy syndrome". In rare cases, birch pollen allergy sufferers develop contact urticaria caused by birch branches. A worsening of atopic eczema (freely carried skin areas) associated with birch pollen is questionable.

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Betula verrucosa (see birch below)

According to the IUIS Allergen Nomenclature Sub-Committee 6 birch pollen allergens are officially accepted to date:

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Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 20.05.2022