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Black stool, blood in stool after taking iron tablets. What is it?

Hi, im a 20 year old female and my doctor put me on some iron tablets the other week called ferrous sulphate I have to take 1 twice a day. My stool has now turned black and last 2 times ive been to the toilet ive noticed a small amount of blood on the tissue I've wiped with its not a lot do I need to be worried about this ? I don't know what to do .
Many thanks
Asked On : Mon, 15 Apr 2013
Answers:  2 Views:  204
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Diseases and Conditions
Gastroenterologist 's  Response
Hi Gemma,
Thanks for posting your query.
The dark stools could be due to intake of iron tablets.
Blood in stool could be due to hemorrhoids/fissure/IBD/Polyp.
A sigmoidoscopy test may be done to find the cause.
Dr.Ratnakar Kini
Answered: Thu, 27 Jun 2013
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General & Family Physician Dr. Vakul Aren's  Response
The ferrous sulphate tablets have been known to cause black/dark coloured stools as a side effect.Constipation may lead to hard stools, also a side effect of the drug,which may damage the anal mucosa causing blood in stools.Taking stool softeners like Docusate may prevent this.Anal fissure and hemorrhoids are common causes of blood in stools which need to be ruled out.
Answered: Thu, 27 Jun 2013
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