Blood in the urine, also referred to as hematuria, is the presence of red blood cells in the urine. It is a symptom rather than a disease. There are two different types of blood in the urine. It is considered microscopic hematuria when the blood is visible only under a microscope. Blood that is visible with the eye is referred to as gross hematuria.Yale Medical Group: What is Hematuria? eMedicineHealth: Blood in Urine Symptoms

1. Kidney disease
2. Urinary tract infection
3. Kidney stones
4. Blood clotting disorders
5. Injury
6. Cancer
7. Viral infections
8. Strenuous exercise
9. MedicationseMedicineHealth: Causes of Blood in Urine

When the urine has a red color and there is no blood in the urine, it is referred to as pseudohematuria (false hematuria). This is usually the result of ingested substances such as medications or foods, which transmit a red color to the urine.Emory Healthcare: Hematuria: Causes of Hematuria Drugs.com: Pseudohematuria

The content in this page is not a substitute for professional medical advice. If you think you have blood in urine, please consult your doctor.

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• HealthBoards: What is the Reason for Blood and Blood Clots in the Urine (October 8, 2008)

• WrongDiagnosis Blood in Urine (Hematuria) (January 24, 2007)

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