[Modern internal therapy of skin diseases (author's transl)]

Modern internal therapy of skin diseases is based on a knowledge of pharmacology and biochemical pharmacology. The importance of the cytochrome P 450 system and its changes during treatment are referred to. Standard treatment in dermatology is not discussed but the literature is mentioned here. Treatment with glucocorticosteroids and non-steroidal anti-inflammatory substances are discussed in detail. The treatment of porphyria cutanea tarda with chloroquine shows good success. The results of carotinoid therapy of erythropoietic protoporphyria and non-porphyrin induced photodermatoses are debated.