It should not...: Masturbation will not cause blood in the urine or the urine to appear dark or red. It is possible that the skin on the tip of the penis could become irritated, perhaps enough to have a couple of red blood cells in a urine analysis. I would be more concerned about a urinary tract infection, or bladder or kidney issues.
Answered 11/27/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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