 The investigators will evaluate the clinical efficacy and safety of intramuscular injections of autologous immunoglobulin in those patients with moderate-to-severe atopic dermatitis by measuring changes in the standardized clinical severity scoring system for atopic dermatitis SCORAD values, Eczema Area and Severity index EASI, Investigators Global Assessment IGA and quality of life together with laboratory parameters in blood samples before and after treatment. Systemic corticosteroids as a rescue treatment were prescribed to control unacceptable symptoms of atopic dermatitis at the investigators discretion. 