Short-term disease control with alternate-day maintenance upadacitinib in refractory Hailey–Hailey disease: a case report
Hailey–Hailey disease (HHD), also known as benign familial pemphigus, is a rare autosomal dominant genodermatosis characterized by recurrent erosive lesions in intertriginous areas. Previous case reports have described clinical improvement with upadaci…