Itching of the male urethra may be caused by urethritis. If men have unclean sex, it can lead to infection with chlamydia, mycoplasma, gonococcus or other specific pathogens, which can lead to inflammation, swelling and congestion of the mucosa inside the male urethra. The clinical symptoms will be itchy urethra, there will also be yellow purulent discharge from the urethra, some will have a stinging pain in the urethra when urinating, it is recommended that you can go to the hospital for genitourinary ultrasound, urethral discharge smear and urethral discharge culture to help clarify the cause. Men who suffer from prostatitis can also lead to symptoms of itchy urethra. If there are stones or scars and other components inside the urethra, they can also irritate the urethra and cause internal itching. It is recommended that you can go to the hospital to improve the relevant examination and identify the cause for further treatment under the guidance of the doctor.