Pronounced: he-mah-CHUR-e-ahEn Español (Spanish Version)
Hematuria means blood in the urine. Normally, urine does not contain any blood. There are two kinds of hematuria:
- Microscopic hematuria—Urine contains a very small amount of blood. It cannot be seen with the naked eye.
- Gross hematuria—Urine appears red or tea-colored.
The Urinary Tract
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Hematuria can be caused by many conditions, such as:
- Vigorous exercise
- Injury to the abdomen, pelvis, or internal organs of the urinary tract
- Conditions that affect the urinary tract (eg, infection, vesicoureteral reflux, blockage or abnormalities, tumors)
- Cancer (eg, kidney or bladder cancer)
- Kidney disease
- Kidney stones
- Bleeding disorders (eg, hemophilia)
- Certain congenital diseases (eg, polycystic kidneys)
- Certain medicines
Sometimes the exact cause is not found.
Last reviewedJune 2013by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.