urine culture should be performed to identify bacteria and sensitivity to antibiotic.I hope ultrasound
must also be done for seeing status of kidney,bladder,prostate
and to rule out any pathology.
sometimes severe infections take very long to subside .Take appointment with urologist
urine culture senstivity is done to see for resistent bacteia to identify with which antibiotic it can respond to.
Often prostate gland, seminal vesicle
situated near bladder are also infected and USG will identify size of prostate,any pathology