From last 40 days i get burning sensation which lasted for 2,3 hours.so i consult a urologist. all urine and blood test,CT scan.everything is normal.urine test comes negative.i don't have UTI infection.My prostate is Normal size,no kidney stone .my urine speed get reduced.it take take to complete my bladder and urine start anf stop in between.my pelvic floor burns little if i sit for few minute.little pain in penis. took 10 days antibiotics course my burning reduced but not completely.what to do