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alric
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Joined: 07 Aug 2006
Posts: 1
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 Posted: 12/26/07 - 22:03 Post subject:
If this hematuria (blood in urine) disappears within 24 to 48 hours after you stop exercising than you shouldn’t be too concerned. It usually comes from your bladder, especially if it is empty. Running can cause bladder walls to rub at each other and cumulative damage results in bruises bleeding into the urine. With long distance runs, kidneys can also let some blood flow into the urine. Well documented studies show that 20 to 90 percent of marathoners have some blood in the urine after a race. Just to be on the safe side, you should go and see your doctor about it.
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