Causative exposures and temporal development of cobalt allergy in Denmark between 2002 and 2017

Background Cobalt contact allergy is common, but clinical relevance is often difficult to determine. Objectives To examine the aetiology, prevalence and clinical characteristics of cobalt‐allergic patients who were patch tested between 2002 and 2017 at the Department of Dermatology and Allergy, Herlev‐Gentofte Hospital. Methods Patch test data, along with patient characteristics and causative exposures, from all adult dermatitis patients seen...