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Loss of appetite. Black tart stool

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Posted on Fri, 8 Feb 2019
Question: Loss of appetite. Black tart stool
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Answered by Dr. Ramesh Kumar (1 hour later)
Brief Answer:
Upper gastro intestinal bleed.

Detailed Answer:
Hi,
Thanks for choosing 'Ask a Doctor' service for your query,
Have reviewed your details.

Upper g.i bleed could be considered when a person says he has black tarry stool.A stool occult blood test or a stool microscopy should be done to confirm the presence of blood with the stools.
Generally, blood coming from higher levels (stomach and small bowel) converts into a dark coal black colour(tar colored)due to the changes the blood has in the bowel.

Have you ever had a colonoscopy done? After the age of 50, it is recommended that all people should have a colonoscopy every 5-10 years. Even if you have had this test in the last 5 years it might be recommended to repeat it as you are having this bleeding if the stool tests confirm you are really bleeding.

A CBC would be a good test to be done if you suspect bleeding to see if you are developing anaemia as a complication of bleeding and need treatment for it or not.

I hope this is helpful and answers your questions but please feel free to reply in case any more clarification is needed on this.

Kind regards,

Above answer was peer-reviewed by : Dr. Yogesh D
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Answered by
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Dr. Ramesh Kumar

Gastroenterologist

Practicing since :1986

Answered : 2463 Questions

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Loss of appetite. Black tart stool

Brief Answer: Upper gastro intestinal bleed. Detailed Answer: Hi, Thanks for choosing 'Ask a Doctor' service for your query, Have reviewed your details. Upper g.i bleed could be considered when a person says he has black tarry stool.A stool occult blood test or a stool microscopy should be done to confirm the presence of blood with the stools. Generally, blood coming from higher levels (stomach and small bowel) converts into a dark coal black colour(tar colored)due to the changes the blood has in the bowel. Have you ever had a colonoscopy done? After the age of 50, it is recommended that all people should have a colonoscopy every 5-10 years. Even if you have had this test in the last 5 years it might be recommended to repeat it as you are having this bleeding if the stool tests confirm you are really bleeding. A CBC would be a good test to be done if you suspect bleeding to see if you are developing anaemia as a complication of bleeding and need treatment for it or not. I hope this is helpful and answers your questions but please feel free to reply in case any more clarification is needed on this. Kind regards,