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Sexually Transmitted Infections (STIs)

Non-Gonoccocal Urethritis (NGU)

​What is NGU?

NGU is a common sexually transmitted infection (STI) in males. It is an infection of the tube tha​t carries urine and semen through the penis (urethra). NGU can be caused by chlamydia and/or gonorrhea or other germs (bacteria or viruses) that aren't known.

How do I get NGU?

Males get NGU through unprotected sexual contact (oral, vaginal, or anal without a condom) with a partner infected with bacteria that can cause NGU. You can infect others right after you come in contact with the germs that cause NGU. You can pass on the germs to others without knowing it.

How do I prevent NGU?

When you are sexually active, the best way to prevent NGU is to use condoms for oral, vaginal, and anal sex. Don’t have sexual contact if you or your partner(s) have symptoms or may have been exposed to an STI. See a doctor or go to an STI Clinic for testing. Get STI testing regularly every 3 to 6 months and when you have symptoms.

How do I know I have NGU?

Some males with NGU don’t have any symptoms. If you have NGU, you might have:

  • pain or burning when you pee
  • clear, creamy white, or yellow discharge from the penis
  • irritation or itching inside the penis

The best way to find out if you have NGU is to see a nurse or doctor and get tested.

Is NGU harmful?

If NGU isn’t treated, it can lead to serious health problems like infertility or infection in the testicles. These effects can be prevented if you get early STI testing and treatment.

How is NGU treated?

NGU is treated with antibiotics. Your partner(s) also needs to be tested and treated, even if there are no symptoms. You can get re-infected if you have unprotected sex (oral, vaginal, or anal without a condom) before your partner(s) is treated. If you still have symptoms 3 to 4 weeks after taking antibiotics, see your nurse or doctor.

When can I have sex again?

It will take 1 week for the antibiotics to get rid of the infection. Don’t have unprotected sex (oral, vaginal, anal without a condom) for 7 days after you and your partner(s) have completed treatment​. The best protection is not to have sex (oral, vaginal, anal) for at least 7 days. If you are still having symptoms, don’t have any sexual contact.

Current as of: June 29, 2016

Author: Sexual and Reproductive Health, Alberta Health Services