Friquent urination

Patient: I can not sleep at night, feel a puling sensation and go to pee in every one hour at night, during the day is not that bad,my urine shows moderate lukosytes, nothing elsethe urine was sent to the lab for a culture growth, nothing was foundfirst time it happend 6 month ago, it comes and goesI am so exhaustedwhat is it?I have no pain when urinatingI took sulfamethox tmp ds for 5 day 800 mg, did not help

Doctor: