Non-specific urethritis (NSU) is inflammation of the urethra.
NSU can be caused by an infection, which is passed on by sexual contact such as anal intercourse without condoms or by oral sex. NSU can also be the result of damage to the urethra (which could be the result of extended or rigorous sexual activity).
When caused by an infection, symptoms include pain when you urinate or ejaculate and a white or yellow discharge from you penis. The glands in your groin may also be inflamed or tender. Symptoms can take between one and three weeks to appear.
NSU is diagnosed by urine sample or a urethral swab, in conjunction with a genital examination by a medical practitioner.
NSU is treated with a course of antibiotics. Once you have finished the treatment you will need to be tested to check if you have been cured. If left untreated NSU can lead to inflammation of the prostate gland (prostatitis), inflammation of the testes and infertility.
Using condoms and water-based lube can reduce the risk of transmitting the infections that cause NSU.