What is hematuria?

Hematuria is blood in the urine. Normally, urine does not contain any blood. There are two kinds of hematuria: microscopic hematuria, where the urine contains a small amount of blood not visible to the naked eye; and gross hematuria, where the urine is visibly discolored by blood, appearing red or tea-colored.
Steven V. Gurland, MD
Internal Medicine
Hematuria is when you have blood in your urine. It can either be seen with the naked eye or require microscopic examination to make the diagnosis. In either case it is abnormal and requires a diagnostic workup to determine the cause and the proper treatment

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