Nongonococcal urethritis (NGU) is inflammation of the urethra (the tube that carries urine out of the body) due to a cause other than gonorrhea.
It may be caused by sexually transmitted diseases, including chlamydia infection, trichomoniasis, or genital warts, as well as other infections, such as yeast infection .
Occasionally, NGU may occur without infection—for example, due to sensitivity to soap or spermicides. NGU typically does not cause symptoms in women. In men, it may cause a discharge from the penis, painful urination, and soreness at the opening of the urethra.
NGU due to infection is usually treated with medication to kill the microorganism that caused it.
Sexual partners should also be treated.
Treatment of noninfective NGU depends on the cause.

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