Burning after micturation. Suggestions?

Actually i had stone in ureter that was removed by cytoscopy and a stent was placed which was removed in a week..............it was told that there will be burning after micturation for two to three days ..................but it continued ...............again consulted doc ..........then levofloxacin was given for three days............problem reduced to 20% with 80% relief ...........doc told to continue the same for a week as in ultrasonography it was found prominent pelvicoclayx region...........other things were normal.................now after a week of taking medicines............burning happens rare.......or one time a day after motion in the morning.............what should be done further any suggestions?