Dupilumab‐associated head and neck dermatitis is associated with elevated pretreatment serum Malassezia ‐specific IgE : a multicentre, prospective cohort study

Dupilumab associated head and neck dermatitis is incompletely understood. This prospective multicentre prospective study identified baseline Malassezia-specific IgE as associated with the development of Dupilumab associated head and neck dermatitis.