Male urethra stinging pain when urinating, accompanied by pus, then the possible causes: 1, gonorrhea, often spread through unclean sexual contact, belongs to a kind of sexually transmitted diseases. Gonococcal urethritis occurs after infection with gonococcus bacteria. Typical features are frequent urination, urinary urgency, painful urination, tingling at the urethra during urination, accompanied by yellow purulent discharge from the urethra. It needs to be treated actively, if not treated, it can lead to gonococcal urethral stricture in the later stage, and cause the patient to have difficulty in urination. You need to take the pus from the urethra to do a bacterial smear and culture test, and then use antibiotics intravenously as soon as possible after the diagnosis is clear.2. Non-gonococcal urethritis is caused by mycoplasma and chlamydia infections, and it’s also a kind of sexually transmitted disease (STD). It is also typically characterized by frequent urination, urinary urgency, itching in the urethra, burning sensation in the urethra, and thin, yellow or white discharge from the urethra. It is recommended that the secretions be retained for mycoplasma and chlamydia culture, and after a clear diagnosis, intravenous macrolide antibiotics are used for treatment.