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A member asked:

There are dark particles in my stool (1/4 of a thumbnail in size). could it be blood/blood clots? it's black and tarry. otherwise stool is brown.

3 doctors weighed in across 2 answers

Black stool : Black tarry stool can be from old blood in your digestive tract. Please have your stool and colon checked by your physician.

Answered 5/4/2014

4.1k views

Thank

Black stool particle: Black pieces of stool can be due to iron, peptobismol or blood leaking from high in the GI tract. A occult blood test can easily be done to see if there is blood products in your stool.

Dr Mitchell agreed

Answered 6/10/2014

4.1k views

Thank

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