This is a rare form of psoriasis is also known as generalized pustular psoriasis. It can be life-threatening especially in the elderly. It is characterized by the development of pustules in the flexural areas - the backs of the knees, the insides of the elbows, the armpits and the groin. These pustules continue to spread and soon they join to form lakes of pus. The pustules rupture easily and can become infected. This condition can be fatal if the patient gets dehydrated, or the infection spreads to the bloodstream.
Von Zumbusch psoriasis is often triggered by stopping topical or oral steroids. Oral steroids in psoriasis patients are actually dangerous. They do clear up the psoriasis while the patient is taking them, but after the patient stops, the psoriasis often comes back even worse. Any person with psoriasis who is prescribed oral corticosteroids for another condition should discuss their use with a dermatologist before taking them.
