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Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
Are you on any blood thinner?
Aspirin, coumadin, plavix etc can cause bleeding as side effect.
This can show up as blood in urine.
Other causes include kidney infection, stone passage, bladder lesions sometimes cancerous as well.
You need to go to the ER or see your doctor soon for further evaluation. Best wishes,It was my pleasure to help you today.If I have answered all your questions, Please rate my response Excellent (click on the 5th star).Please bookmark my profile for fast, reliable and authentic answers!This is the link to my profile:http://www.justanswer.com/medical/expert-mysticdoc/