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What is the cause of blood in urine

1

What is hematuria?

Hematuria, including microscopic hematuria and gross hematuria , is a common urinary system symptom.

Microscopic hematuria refers to the normal color of urine, which must be confirmed by microscopic examination. Usually, there are more than 3 red blood cells per high-power field of view in urine microscopic examination. Macroscopic hematuria refers to hematuria that can be seen with naked eyes. The causes of hematuria are common in urinary system inflammation, stones, tumors and so on.

2

Why does urinary tract infection cause bleeding?

Urinary tract infection is a relatively common disease. After the infection, the urinary tract mucosa ruptures and hemorrhages , mainly because the infection causes certain damage to the urinary system mucosa, which causes some small blood vessels to rupture and cause bleeding. Generally speaking, the bleeding caused is not very serious. After most patients receive active anti-infective treatment, the bleeding symptoms will be gradually relieved. When the infection condition improves, the mucosa of the urinary system will be gradually repaired, and the bleeding will be improved accordingly. Therefore, for patients with bleeding caused by urinary tract infection, there is generally no need for special hemostatic treatment, only the active use of antibiotics for anti-infective treatment, the effect will be better.

3

Will urinary stones also cause bleeding?

When stones enter the bladder from the kidneys, through the ureter, as long as the mucous membrane is cut, hematuria is often formed. Urinary stones are common diseases of the urinary system. Stones can be found in any part of the kidney, bladder, ureter and urethra, but kidney and ureteral stones are common. The clinical manifestations vary depending on where the stones are located. The typical manifestations of kidney and ureteral stones are renal colic and hematuria . Before the stones cause the onset of colic, the patient does not feel anything. Due to some inducement, such as strenuous exercise, labor, long-distance driving, etc., a sudden violent one side of the waist appears Colic, and radiation to the lower abdomen and perineum, accompanied by abdominal distension, nausea, vomiting, and hematuria of varying degrees