Long-term upadacitinib treatment in a patient with atopic dermatitis, bullous pemphigoid, and alopecia areata: a case report and review of the literature
Atopic dermatitis (AD), bullous pemphigoid (BP), and alopecia areata (AA) are immune-mediated dermatologic diseases characterized by distinct clinical features but partially overlapping immunopathogenic mechanisms. Their coexistence in a single patient is uncommon and may pose significant diagnostic and therapeutic cha...