[Genitourethral infections caused by D-K serotypes of Chlamydia trachomatis].

Sexually transmitted infections of the urogenital tract are most commonly caused by the intracellular bacteria Chlamydia trachomatis worldwide, resulting the clinical picture of acute urethritis in men as well as urethritis and endocervicitis in women. As women often present with few symptoms only or a completely symptom-free disease course, one of the most important long-term complications is chronic pelvic inflammatory disease often followed by the development of infertility caused by chronic scar formation. Well-organized screening programs are considered to have a leading role in the prevention of disease spreading and long lasting unwanted complications. Antibiotic treatment options are often influenced by special circumstances, such as pregnancy and several complicated clinical forms. The aims of the authors are to give a concise review on the current knowledge regarding Chlamydia trachomatis infections and summarize typical clinical signs, modern diagnostic techniques as well as accepted treatment protocols and basic aspects of screening.