[Inverse psoriasis].

Inverse psoriasis is clinically defined by chronic inflammatory lesions in intertrigineous areas. Colonisation or infection with Candida ssp. or bacteria is common. The disease-related quality of life is significantly reduced especially regarding sexual behavior. After the exclusion of relevant differential diagnoses, therapy should be adapted to the clinical outcome and potential comorbidities. Substances which are efficacious in psoriasis vulgaris are generally efficacious in inverse psoriasis, but have to be used off-label. Controlled clinical studies are only available for topical ascomycin.