I hv red soreness in urethra..I went to urologist and nephrologist both .. urologist gave me Azithromycin for 5 days and  alkasol.I did all prescribed test of urologist and nephrologist Urine R/E &C/S Urine ACR USG LFT Blood sugar CBC Creatinine Urea All above test are normal..but often I get burning urination and I see red soreness in front of urethra In urine culture report only oxalate+ + + but no stone in USG I drink sufficient water but when volume low I get more burning and yellow urine..and after travel with drinking enough water I also get yellow burning urine.. My billirubin and whole abdomen USG are perfectly all right..so what should I do now?