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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Cause Dark Discharge During Urination?

When I urinated a small dark-colored something came out with the urine. This has happened several times. I fished the last one out and looked at it under a magnifying glass and found it to be fibrous. It's not a kidney stone. Any idea what it is?

I have had a history of kidney stones and recently very frequent unination at night, sometimes as often as five or six times. I am 51 years old.
Tue, 8 Aug 2017
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Nephrologist 's  Response
Dear Patient,

your clinical history and symptoms (dark urines, frequent urination, history) are very suggestive for an ongoing UTI or a parent stone in upper urinary tract. Moreover, often stones are expression of UTIs, which may be coexisting. Thus in your case, I would recommend urine culture, urinalysis, a renal US and three urine pap tests taken every 24h. In this way, you will get your urinary tract investigated. Let me know the results for further considerations, take care,
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What Could Cause Dark Discharge During Urination?

Dear Patient, your clinical history and symptoms (dark urines, frequent urination, history) are very suggestive for an ongoing UTI or a parent stone in upper urinary tract. Moreover, often stones are expression of UTIs, which may be coexisting. Thus in your case, I would recommend urine culture, urinalysis, a renal US and three urine pap tests taken every 24h. In this way, you will get your urinary tract investigated. Let me know the results for further considerations, take care,