What happens when you urinate blood?

Urinary blood refers to urine with blood when urination, may be caused by urinary tract infection, urinary tract stones, tumors and other reasons.

1, urinary tract infection

urinary tract infection is a common cause of urinary blood, including cystitis, pyelonephritis, etc., due to inflammation stimulation, may lead to local mucosal damage, bleeding, urination due to blood and urine together, so it will cause urinary blood.

2, urinary tract stones

urinary tract stones is another common cause of urinary blood, when stones move from the kidney, ureter or bladder, may scratch the urethra, resulting in urinary blood.

3, tumor

urinary blood may be one of the symptoms of malignant tumors of the urinary system, such as bladder cancer, kidney cancer, etc., these tumors may lead to urinary tract or bladder wall rupture or tear, resulting in urinary blood.