Snapshot A 50-year-old man presents to his dermatologist for persistent blisters. He reports that the blisters started on his lips 3 weeks ago. He continues to develop new painful lesions on his lips but also on his trunk and arms. His dermatologist performs a punch biopsy. In the meantime, he is given topical steroids and an anesthetic for his mucosal lesions. Introduction Clinical definition login to view 1 more bullet Associated conditions login to view 9 more bullets Epidemiology Demographics login to view 3 more bullets ETIOLOGY Pathogenesis login to view 4 more bullets Presentation Symptoms login to view 3 more bullets Physical exam login to view 7 more bullets Studies Labs login to view 3 more bullets Histology login to view 5 more bullets Differential Bullous pemphigoid login to view 3 more bullets Treatment Conservative login to view 6 more bullets Medical login to view 11 more bullets Complications Skin and soft tissue bacterial infection of open lesions Risk of PV in newborn login to view 1 more bullet Prognosis Without treatment, prognosis is poor login to view 1 more bullet With treatment, prognosis is improved login to view 1 more bullet