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causes of dark green stool in adults

A 34-year-old member asked:
Dr. Anatoly Belilovsky
34 years experience Pediatrics
Normal.: If there are no other symptoms, any shade of green, yellow or brown is normal for a baby's stool.
Dr. James Ferguson
45 years experience Pediatrics
Normal: The stool color is provided by the bile from the liver that is adds to fecal debris.It starts out a deep green ; slowly changes thru greens to yellows ... Read More

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A member asked:
Dr. Joel Gallant
35 years experience Infectious Disease
Probably not : If you feel ok and don't have diarrhea, it's probably just something you ate.
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Dr. Gurmukh Singh
48 years experience Pathology
See below: Visit this site for info on this topic: https://www.mayoclinic.org/symptoms/green-stool/basics/definition/SYM-20050708 It is usually harmless.
A 23-year-old female asked:
Dr. Stuart Sherman
43 years experience Gastroenterology
Probably not: Most diarrheal illnesses related to contaminated food are short lived and happen soon after eating the food. However, sometimes diarrhea from contamin ... Read More
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A 50-year-old female asked:
Dr. Mark Hoepfner
38 years experience General Surgery
Not specifically: I do not know that gallstones are related to the color of the bowel movements unless gallstones caused obstruction of the bile duct resulting in jaund ... Read More
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A male asked:
Dr. James Ferguson
45 years experience Pediatrics
Normal: The stool color is provided by the bile from the liver that is adds to fecal debris.It starts out a deep green ; slowly changes thru greens to yellows ... Read More
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1 thank
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 29-year-old male asked:
Dr. Charles Cattano
38 years experience Gastroenterology
Changed stool color: The color of stool varies with foods, speed of emptying of the GI tract, medications & supplements ingested, gut flora (unique for each individual ... Read More
A 38-year-old member asked:
Dr. Stanley Lightfoot
57 years experience Pathology
See below: Something you ate could do this however if is occurs in more than one stool it could be bile from the liver and in that case you shold have some bloo ... Read More
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A 32-year-old member asked:
Dr. Michael Sparacino
36 years experience Family Medicine
See below: Usually a change in the bacterial flora of the colon, which is normal if there are no other symptoms.
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3 thanks
A 33-year-old female asked:
Dr. Andrew Seibert
34 years experience Gastroenterology
Stool color: Stool color can vary because of a lot of factors, most notably diet. It is generally not a concern unless the store is bloody or solid black in color, ... Read More

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