Hello Dear and thanks fort the query
More probability is of Renal stone or infection of the kidney
). Recurrent UTI occur in both the cases and you need to be investigated for that. Get your sonography
and urine culture done and accordingly treatment can be planned. Mean while take plenty of water, urinary alkalizer for burning maturation antibiotic can be selected after the culture report.
But as we have to find out the cause for recurrent infection consult your urologist
and get the above said investigations done. Hope this will help you.