Itchy urethra when urinating, it is recommended to go to the hospital for further examination to clarify the possible causes: 1, non-gonococcal urethritis, often due to mycoplasma, chlamydia infection, can appear itching in the urethra or urethra, and can be accompanied by increased discharge in the urethra, urinary frequency, urinary urgency and other symptoms, patients have unclean sexual contact, then you need to carry out the secretion mycoplasma, chlamydia examination to further clarify. 2, fungal infection caused by fungal glansitis, common in men, can lead to increased secretion on the glans, accompanied by urethral itching, accompanied by local redness and swelling changes, women can also be combined with fungal infection leading to local itching, need to carry out fungal examination to further confirm the diagnosis. 3, local skin allergies, such as skin allergies in the perineal area, can cause local itching, and mistaken for the urethral orifice Itching, which is not accompanied by obvious urinary symptoms, but can be accompanied by local changes such as redness and swelling, often due to contact with allergens, or taking drugs that cause allergies, need to further check with the hospital to clarify.