Abstract
The epidemiology, diagnostic criteria, and etiology of nonspecific urethritis in men are discussed. Microbiological examinations have indicated that in the vast majority of these patients Chlamydia trachomatis and Ureaplasma urealyticum are the main causes for the disease. Treatment of the disorder has centered on the use of tetracyclinelike drugs, and with proper treatment cure can be obtained in the majority of patients.