Photosensitivity is an important cause of refractory facial erythema in atopic dermatitis: A retrospective study of 82 Chinese patients

Abstract

Atopic dermatitis (AD) is the most common inflammatory skin disease, affecting 2-10% of adults and 20% of children. 1 It is characterized by intense itching, recurrent eczematous lesions, and a heterogeneous clinical presentation. 2 Multiple factors, including genetic susceptibility, skin barrier defects, and aberrant immune response, drive cutaneous inflammation in AD. Without a specific laboratory marker, the diagnosis of AD relies on clinical signs like eczematous lesions and pruritus. The lesions can affect any part of