Bullous pemphigoid and psoriasis vulgaris.
A 55-year-old man with psoriasis presented with erythematous, edematous plaques, tense bullae, and erosions. Direct immunofluorescence and histopathologic examination confirmed the diagnosis of bullous pemphigoid. Both dermatologic conditions responded to azathioprine. The clinical presentation, etiology, and treatment options are reviewed.
Azathioprine↗