title: [Inducing factors in chronic urticaria].
abstract: Causes which have an exacerbating effect on chronic urticaria are described and their approximate incidence is reported. A challenge test battery is described.
mesh_terms: D001241:Aspirin / Q000009:adverse effects; D001391:Azo Compounds / Q000009:adverse effects; D001565:Benzoates / Q000009:adverse effects; D002177:Candidiasis / Q000150:complications; D002908:Chronic Disease; D004396:Coloring Agents / Q000009:adverse effects; D004342:Drug Hypersensitivity; D005512:Food Hypersensitivity; D006801:Humans; D010406:Penicillins / Q000009:adverse effects; D012441:Saccharomyces cerevisiae; D013645:Tartrazine / Q000009:adverse effects; D014581:Urticaria / Q000139:chemically induced* / Q000145:classification
chemical_list: D001391:Azo Compounds; D001565:Benzoates; D004396:Coloring Agents; D010406:Penicillins; D013645:Tartrazine; D001241:Aspirin
vernacular_title: Auslösende Faktoren bei chronischer Urtikaria.