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A 34-year-old female asked:

why is my stool so dark?

1 doctor answer1 doctor weighed in
Dr. Michael Samach
Gastroenterology 50 years experience
Several possibilitie: Stool can be dark from iron pills pepto bismol (bismuth subsalicylate) or foods like spinach. Black tarry stools may indicate bleeding from the stomach area and should be checked right away.

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A 31-year-old member asked:

What can cause dark stool?

2 doctor answers2 doctors weighed in
Dr. Richard Bensinger
Ophthalmology 52 years experience
Diet, blood: Stool will vary from light to dark depending upon the diet. Diets rich is red meat for instance will darken the stool color. If there is GI bleeding then the stool may become black. This requires evaluation by your gastoenterlogist as the source of the bleeding must be discovered and corrected.
A 61-year-old male asked:

Darker than normal stool.

1 doctor answer1 doctor weighed in
Dr. Jason Hemming
Gastroenterology 17 years experience
Depends: If melena (black, tarry) this may represent bleeding. Otherwise likely a consequence of what you consumed.
PA
A member asked:

Why is my stool dark green?

1 doctor answer1 doctor weighed in
Dr. Marc Lewbart
Emergency Medicine 19 years experience
Dietary sources: often time dark green stools are the result of diet. foods that have blue in them such as blueberries or other blue food coloring can cause dark green stools. If this persists after eliminating this from your diet then you may want to consider seeing a medical professional
India
A 29-year-old female asked:

Why do dark color stools occur?

1 doctor answer1 doctor weighed in
Dr. Robert Uyeda
General Surgery 45 years experience
Things that make: black stools include iron, blood, bismuth, charcoal. There are many more things that can make for dark color.
Groves, TX
A female asked:

Dark mildew smelling stool that floats?

3 doctor answers12 doctors weighed in
Dr.
A Verified Doctor answered
A US doctor answered Learn more
Little info: Need more info about bowel patterns etc. As staters should get stool test done for infection and occult blood. see your doctor.

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Last updated Jul 8, 2018

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