What cause blood in urine

Hello Anon

Thank you for writing.

In some cases, the cause of hematuria (blood in urine) is never found. The list of known causes is lengthy, some more common causes include:

Injury to the abdomen, pelvis, or internal organs of the urinary tract
Vigorous exercise (resolves with rest)
Urinary tract infection
Cancer of the prostate , kidney , or bladder
Kidney disease
Kidney stones
Bleeding disorders (eg, hemophilia )
Certain congenital diseases (eg, polycystic kidneys )
Certain medications

Risk Factors

A risk factor is something that increases your chance of getting a disease or condition.

Smoking
Medications (eg, certain antibiotics and pain medications)
Radiation of the pelvis (for cancer treatment)
Acute or chronic urinary tract infection
Recent upper respiratory tract infection
Family history of kidney problems

Anon, please speak with your doctor.
Best,
Susan