Overview
Hematuria is the presence of blood, specifically red blood cells, in the urine. Whether the blood is visible only under a microscope or visible to the naked eye, hematuria is a sign that something is causing bleeding in the genitourinary tract: the kidneys, the tubes that carry urine from the kidneys to the bladder (ureters), the prostate gland (in men), the bladder, or the tube that carries urine from the bladder out of the body (urethra).
Bleeding may happen once or it may be recurrent. It can indicate different problems in men and women. Causes of this condition range from non-life threatening (e.g., urinary tract infection) to serious (e.g., cancer, kidney disease). Therefore, a physician should be consulted as soon as possible.
Hematuria occurs in up to 10% of the general population.
Physician-developed and -monitored.
Original Date of Publication: 15 Jun 1998
Reviewed by: Stacy J. Childs, M.D., Stanley J. Swierzewski, III, M.D.
Last Reviewed: 10 Jul 2008
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