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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Passing Of Black Stool,muscle Cramps And Severe Back Pain?

Hi,For about a month now I have been extremely fatigue, in pain, having severe back pain and muscle cramping, and this might sound gross, but my stool lately has been dark color (Almost black) and it smells like formalin (formaldehyde)...any idea what may be the cause?
posted on Sun, 27 Jul 2014
Twitter Fri, 8 Apr 2016 Answered on
Twitter Mon, 11 Apr 2016 Last reviewed on
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General Surgeon,  's  Response
Hi.
Thanks for your query.
Noted your history of extreme fatigue, pain in abdomen, severe back pain, muscle cramping for almost a month and now recently developed black stools which smell like formalin.
I can think of the following causes:
There may be entero-colitis of whatsoever cause.
The black stool indicates that there is bleeding somewhere in the intestinal tract.
I would advise you the following:
Tests of the stool for 3 consecutive days
Tests of blood and urine.
Upper GI Endoscopy
Colonoscopy and biopsy.
These investigations may be sufficient to find the reasons of your trouble
Further tests of ultrasonography and CT scan can help further if needed.
Consult a Surgical Gastroenterologist.
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What Causes Passing Of Black Stool,muscle Cramps And Severe Back Pain?

Hi. Thanks for your query. Noted your history of extreme fatigue, pain in abdomen, severe back pain, muscle cramping for almost a month and now recently developed black stools which smell like formalin. I can think of the following causes: There may be entero-colitis of whatsoever cause. The black stool indicates that there is bleeding somewhere in the intestinal tract. I would advise you the following: Tests of the stool for 3 consecutive days Tests of blood and urine. Upper GI Endoscopy Colonoscopy and biopsy. These investigations may be sufficient to find the reasons of your trouble Further tests of ultrasonography and CT scan can help further if needed. Consult a Surgical Gastroenterologist.