Summary: Nongonococcal urethritis (NGU) is an inflammation of the urethra that is not caused by gonorrheal infection.There are many causes of NGU. This is in part due to the large variety of organisms living in the urinary tract. Ureaplasma urealyticum and Mycoplasma genitalium are some of the culprits. NGU is also associated with reactive arthritis,in which the triad of arthritis, conjunctivitis, and urethritis is seen.
Reference Material:
https://en.wikipedia.org/wiki/Non-gonococcal_urethritis
