S1 Guideline: Therapy of generalized pustular psoriasis.

The S1 guideline "Therapy of generalized pustular psoriasis (GPP)" is a German guideline developed in accordance with the criteria of the AWMF. The full version addresses clinical presentation, pathogenesis, diagnosis and differential diagnosis, comorbidities, and therapy. In addition, therapy recommendations for adults with GPP are provided. Both approved and off-label therapies are considered. The present article is a shortened version of the guideline, whose  therapy recommendations are presented in full and without omission.