[Systemic therapy of atopic dermatitis and psoriasis in children and adolescents].

Psoriasis and atopic dermatitis are among the most frequent chronic, inflammatory skin diseases of childhood and adolescence. Regarding profound consequences for the physical and psychosocial development of affected patients, a timely and individually adapted therapy has to be initiated, in case of severe disease systemic treatment. Modern, targeted, highly efficient and well-tolerated agents are currently available. Overlapping psoriasis and atopic dermatitis have been appreciated recently, both idiopathic and therapeutically induced. Their prevention or early detection is mandatory for optimal management of patients.