Mark G. Lebwohl, MD, explains what causes generalized pustular psoriasis (GPP) and the potential triggers for GPP episodes. Ryan Haumschild, PharmD, MS, MBA: Dr Lebwohl, you gave us a great overview.

In 1910, Leo Ritter von Zumbusch meticulously detailed the clinical course of "psoriasis pustulosa generalisata" (referred to herein as generalized pustular psoriasis, GPP) in a brother and sister, ...

Based on appearance and history, GPP is classified into the following subtypes: von Zumbusch, impetigo herpetiformis, and infantile and juvenile GPP. 3-5 GPP of von Zumbusch occurs acutely and is ...

GPP can be triggered by the initiation and withdrawal of various medications, in particular the withdrawal of corticosteroids, and by infections, stress, and other conditions. 1,5,6,10 Patients with a ...

Pustules are a type of pimple filled with yellowish pus, often showing as red bumps with white centers that may feel tender. Pastules often appear on oily or sweaty areas such as the face, back, ...

You’ve probably heard of psoriasis—the chronic inflammatory condition that can cause itchy, scaly patches on your skin. Less well-known is a rare form of the disease called pustular psoriasis, which ...