Pemphigus Vulgaris

Flaccid vesicles and bullae that easily rupture; erosions and crusts. (Courtesy Dr. S. Walsh)

Bullous Pemphigoid

Multiple tense serous and partially hemorrhagic bullae; post-inflammatory hyperpigmentation is present at sites of prior lesions. Note the presence of uninvolved skin between lesions. (Courtesy Dr. S. Walsh)

Pustular Psoriasis

Deep-seated, dusky-red macules and creamy-yellow pustules progress to hyperkeratotic/crusted papules. (Courtesy Dr. S. Walsh)