Blood in urine since 3 weeks. No pain and no burning sensation during urination. Urine routine test shows rbc plenty,blood 3+,pus cells 4-6hpf.urine culture test shows no bacteria,no fungal cells,occasional pus cells. CT KUB scan done with contrast, reconfirms hydronephrosis due to obstruction in pelvi ureter junction. CT scan report shows no calculi in
kidney and ureters. Completed 1 course of Taxim O antibiotics also. Still blood in urine. And, I feel heavy pressure in lower abdomen most of time. Bowel habits have changed. Frequently feel like urinating. Why is there blood in urine still? Kindly advise possible reasons and what further tests must I do.