Atopic dermatitis is an important comorbidity in severe asthma

Atopic dermatitis (AD) is the most common chronic inflammatory skin disease characterized by pruritus and rash. Severe asthma is another heterogeneous chronic inflammatory disease comprising diverse phenotypic subgroups1. With biologic therapies reflected in the Global Initiative for Asthma 2017 guidelines, it is imperative that all available pertinent information including biomarkers are utilized in selecting the optimal biologic therapy. Recently the term "eosinophilic" asthma has been in vogue due to the availability of anti-IL-5 monoclonal antibody class of medications, mepolizumab, benralizumab, and reslizumab2.

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