DECREASE URINE FLOW. Kindly suggest me.

I AM SUFFERING FROM LOW URINE STREAM LAST TWO MONTHS. MY URINE FLOW IS LOW AND BURNING SENSATION DURING URINATION AND AFTER URINATION. I HAVE DONE USG KUB AND RESULT WAS NORMAL WITH POST VOID URINE VOLUME 15.8 cc and PROSTATE WEIGHT 16 GRAMS. URINE ROUTINE AND MICROSCOPY NORMAL AND URINE CULTURE AND SENSITIVITY NORMAL. UROFLOMETRY ALSO DONE AND IMPRESSION WAS MODERATE URINE STREAM WITH NORMAL VOID PATTERN AND MAXIMUM URINE FLOW 13 ml/second and Average URINE FLOW is 6.5 ml/ second. Voided VOLUME 409 ml and VOIDED TIME 63 SECOND. Only burning sensation while urination and after urination. Doctor prescribed me ALFUZOSIN 10 MG, BUT SYMPTOMS NOT IMPROVING. MY KIDNEY FUNCTION TEST NORMAL AND FASTING BLOOD GLUCOSE 103 ml/dl. I ENCLOSED MY UROFLOMETRY REPORT. KINDLY SUGGEST ME.