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Dermbits

MD, PhD

What is Generalized Pustular Psoriasis (GPP)?

Generalized Pustular Psoriasis (GPP)

Generalized pustulous psoriasis, or GPP, is a chronic and often relapsing disease. It's a subvariant of psoriasis vulgaris, and it consists of widespread generalized pustulosis, sometimes superimposed on plaques. Sometimes it can occur on a background of erythroderma. These patients can very sick and require hospitalization, and others often will go and have a chronic relapsing, outpatient sort of presentation.