Skip to Navigation


Non-Specific Urethritis (NSU), Non-Gonococcal Urethritis (NGU)

What is it?

Urethritis means inflammation of the urethra. NSU means a urethritis where no specific organism can be found. NSU or NGU is a common STI. It can be caused by a number of different organisms, the most frequent one being Chlamydia.

How do you get it?

  • Unprotected vaginal, anal or oral sex without a condom.
  • Incubation period may be a few days or as long as six weeks.

Signs and symptoms


  • Slight white or clear discharge.
  • Discomfort on passing urine, like a tickling sensation.
  • Swelling or tenderness in one or both testes.

Note: some men are unaware of any symptoms. It is tested by taking a swab from the penis.


  • Often no symptoms, but there may be a persistent vaginal discharge.


The treatment is usually a course of antibiotics. Sometimes people may need a second course.


Always use condoms and lube.