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dark green almost black stool

A 23-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
No: You may take a fiber laxative like Metamucil and drink enough water daily so that your urine is colorless. For the long term you may try to increase y ... Read More
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A 34-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Go to the Doctor: This could represent a life threatening GI bleed. Regardless of what it might be you need to be seen urgently. Please contact your physician for instr ... Read More
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A female asked:
Dr. Charles Cattano
38 years experience Gastroenterology
Define melena: Melena, by definition, is passage of dark stools stained with denatured blood. As we established in prior healthtap answers, all dark stool is not me ... Read More
A 21-year-old female asked:
Dr. LINDILE SOGA
Specializes in
Sounds normal to me: Exposure to dairy products caused your watery diarrheal stools with enzymes and gastric acid still not neutralized and so resulted in some perianal di ... Read More
A 22-year-old female asked:
Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
Oral iron : Yes, for sure. Famous and familiar side effect. Our intestines can absorb at most 20 percent of iron from a tablet. 80-90 percent will pass mixed w ... Read More
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A 46-year-old member asked:
Dr. Arthur Heller
42 years experience Gastroenterology
Black is black: Black is black-like coal, telephone, shoes, etc. Dark is dark.
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A 29-year-old member asked:
Dr. Sean O Donovan
33 years experience Colon and Rectal Surgery
What you ate?: Color of stools varies widely, and reflects mostly what you've eaten as well as some medications. Generally not a reliable sign of anything, but any c ... Read More
A 21-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
No, but keep track: One episode of hard stool is not to be concerned about. However, you need to keep track to make sure there is no bleeding. You may wish to take a fibe ... Read More
A 23-year-old male asked:
Dr. Robert Uyeda
44 years experience General Surgery
Could be: Something you ate, medication, or occult blood. Get it tested to make sure. Some black foods can make your stools dark, and meds such as iron and bi ... Read More
A 42-year-old member asked:
Dr. Ankush Bansal
16 years experience Internal Medicine
Black: Black stools (melena) are potentially worrisome as this can be a sign of intestinal bleeding. A few other things can cause black stools (like iron su ... Read More

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