hi Dr,I'm 38 yrs old male working in SG. i have experienced frequent urine, feel lower back pain,feel uncomfort in pennis sometimes while passing urine, these experinnce last continue 4 to 5 days last 13month ago. After that no more back pain and frquent urine but somrtimes still feel uncomfort in pennis during passing urine. I went to NUH urology center gor check up but there is no kindney stone. But did not check bladder and prostate which I suspect most. What is possible with me? Thanks for your responses.