Children With Aluminium Contact Allergy: Oral Exposure Study

Inclusion Criteria: * Children with contact allergies to aluminium, demonstrated by patch tests * Activity (itching) of the granulom within the last six months * Written consent obtained from all custodians Exclusion Criteria: * a detected food allergy for the remaining products in the pancakes (including wheat flour, eggs and milk) * Children treated with topical and/or systemic steroid preparations during and up to 1 week before the start of the study. * Children treated with systemic immune suppression during and up to 1 week before the start of the study. * Children with kidney or bone disease. * Children vaccinated during the study period * Treatment with acid neutralising medicines during and up to 1 week before the start of the study * Another reason for inability to cooperate, including lack of language skills in Danish or English in parents.