Why is urine urine blood?

Urinary blood refers to urine blood, urine blood may be caused by urinary tract infection, urinary tract stones, trauma and other reasons.

1. Urinary tract infection

If there is urinary tract infection, such as cystitis, urethritis, inflammation will cause damage to the bladder wall and urethral mucosa, causing submucosal capillary rupture and bleeding, so there will be urine blood.

2. Urinary stones

Urinary stones can scratch the urethral mucosa during the movement process, causing bleeding, blood mixed into urine, causing urine blood, and accompanied by frequent urination, urgency and other symptoms.

3. Trauma

may cause violence to the kidneys, causing blood vessels in the kidneys to rupture and bleed, causing urine blood, possibly accompanied by waist pain.