After urinating urethra stinging may be caused by urethritis, you can use the appropriate drugs anti-infection treatment, usually can also drink more water to increase the amount of urine. 1. anti-infection treatment: urethra stinging after urination is the manifestation of urethritis, urethritis is mostly caused by pathogenic bacteria infection. So this situation should go to the hospital to do routine urine examination, urethral secretion examination, need to clarify the type of urethra pathogenic bacteria infection. If the test results are clear urethritis, you can use the appropriate drugs for treatment, such as levofloxacin. 2. drink more water: patients usually also pay attention to drink more water, more urination, through urination to flush the urethra. After the patient to identify the specific cause of the disease, according to their own specific circumstances, under the guidance of the doctor treatment.