What happens when red blood cells are high in urine?

High red blood cells in the urine means microscopic hematuria, which is more common in clinical practice: 1. Urinary system infection: frequent urination, dysuria, hematuria, etc., white blood cells and red blood cells can be seen in urine routine, and urinary system ultrasound is normal. Treatment is mainly anti-infection. 2. Urinary stones: Pain and hematuria are the main symptoms. Hematuria can be microscopic or gross hematuria. Imaging examination can make a clear diagnosis. Large stones often require surgery. 3. Urinary tumors: Urothelial tumors are common, sometimes hematuria is the only clinical manifestation, imaging examination can be confirmed diagnosis. Radical resection is the main treatment. IV, renal vascular malformation, strenuous exercise, taking anticoagulant drugs can also cause hematuria.