Most of the painful urination is due to chronic UTI in men. What conditions may cause a chronic UTI? UTIs may be caused by bacteria or mycoplasma or chlamydia, etc. The severity of the UTI can be roughly determined by a routine urine test. If the white blood cells in the urine routine are greater than or equal to two plus signs, it means that it is a more serious UTI, usually also accompanied by the performance of urethral pain, and some patients will have urethral discharge. If there is urethral discharge can also be done urethral discharge of mycoplasma, chlamydia DNA test, to determine is a urethritis can be treated with symptomatic antibiotics, during treatment need to drink more water.