NSU, also known as…: …ngu (non-gonococcal urethritis) is most often a disease transmitted by vaginal/oral/ anal sex; may involve chlamydia, trichomonas, or herpes. Occasionally urethritis can be caused by friction (intercourse or masturbation), detergents/ soap, or excess alcohol. Diagnosis reached by eliminating possible causes.
Answered 7/29/2012
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