Itchy urine is the presence of urethritis, need to go to the hospital for relevant examinations to clarify, and the possible causes are as follows: 1, non-gonococcal urethritis, can be manifested as itchy urethra or with urethral burning sensation when urinating. At the same time can be accompanied by increased urethral secretions, secretions crusted and dry can paste the urethral orifice, or accompanied by underwear stained with secretions crusted, usually through unclean sexual contact leading to mycoplasma, chlamydia infection caused by the patient needs to carry out the secretion of mycoplasma, chlamydia culture examination to further confirm the diagnosis, and often with the unclean sexual contact with the above symptoms within 1 week after the contact. 2, gonococcal urethritis may also be Itchy urine, but there can be a large amount of yellow purulent discharge in the urethra, accompanied by urinary urgency, urinary pain symptoms, the vast majority of them have a history of unclean sexual contact, the need for further secretion culture to confirm the diagnosis. 3, non-specific urethritis, the vast majority of the Escherichia coli infection, partially caused by Klebsiella infection, there can be itchy urine, frequent urination, urinary urgency and other symptoms, usually no There is usually no clear history of sexual contact, and urine culture is needed to further confirm the diagnosis.