Boys without condom sex after the urethra itch mainly considered for urethritis, chronic non-bacterial prostatitis and other diseases 1. Once infected with urethritis, the patient’s urethral mucosa is red, swollen, itchy or slightly tingling at the beginning of the infection. At the same time will discharge a large amount of purulent secretions, urinary discomfort, there will be frequent urination, urinary urgency, urinary pain and so on, and even the emergence of hematuria. 2. Chronic non-bacterial prostatitis, the causative agent of this disease has not been unified opinion. In the sexual life irregular, erection without ejaculation and other triggers lead to pelvic and prostate congestion. Once similar symptoms appear, after the failure to alleviate, remember not to blindly take medication. You should go to the hospital immediately and follow the doctor’s instructions for standardized treatment under the correct guidance of the doctor.