Blood in urine (Hematuria) | Causes | AINU

What is hematuria? Hematuria means that red blood cells are in the urine. Urine does not normally contain red blood cells because the filters in the kidney prevent blood from entering the urine. In hematuria , the filters or other parts of the urinary tract allow blood to leak into the urine. Microscopic hematuria means that the blood is detected only with a microscope, while Macroscopic hematuria means the urine appears red or the color of tea or cola. Microscopic hematuria in an otherwise healthy child does not usually need to be investigated unless it is present in at least three urine tests over several months. However, if the child has high blood pressure, chronic kidney disease or protein in the urine, then hematuria should be investigated promptly What causes hematuria? Hematuria is a common finding in children and has more than 100 different causes. These causes may include: abnormal structures in the urinary tract inherited diseases mineral imbalances in the urine glomerul...