What Is It? Nongonococcal urethritis (NGU) is a broad term describing used to describe an inflammation of the urethra. NGU is caused by the introduction of bacteria, not including gonorrhea. While NGU can be caused by several different microorganisms including Mycoplasma genitalium and adenovirus, the most common NGU-inducing pathogen is chlamydia.1 Who Is at Risk?…