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What Causes Tar Colored Stool When Suffering From Chronic Constipation?

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Posted on Tue, 8 Apr 2014
Twitter Tue, 8 Apr 2014 Answered on
Twitter Mon, 5 May 2014 Last reviewed on
Question : My son has chronic constipation. Now he is having dark tar like small stools. Could this mean intestinal bleeding?
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Answered by Dr. Nitin Rao (9 hours later)
Brief Answer: Investigate Detailed Answer: Does he take any medication for his constipation? Also does he take any iron supplements regularly. If all the above are negative then you surely need to investigate why he has tar colored stools. Suggest you to see a physician initially who would examine him and then if necessary suggest upper GI endoscopy and a colonoscopy. Take care
Above answer was peer-reviewed by : Dr. Vinay Bhardwaj
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Dr. Nitin Rao

Gastroenterologist, Surgical

Practicing since :1991

Answered : 52 Questions

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What Causes Tar Colored Stool When Suffering From Chronic Constipation?

Brief Answer: Investigate Detailed Answer: Does he take any medication for his constipation? Also does he take any iron supplements regularly. If all the above are negative then you surely need to investigate why he has tar colored stools. Suggest you to see a physician initially who would examine him and then if necessary suggest upper GI endoscopy and a colonoscopy. Take care