A 28-year-old female asked:

black stool that is brown on inside. could this be from too much grape juice and oreos? how long should it take for stools to go back to normal color?

1 doctor answer • 1 doctor weighed in

Dr. Betsy Greenleaf answered

Gynecology 23 years experience

Watch: Stool can be colored based on foods we eat and food coloring, however black stool can be concerning in that it can be a sign of bleeding in the intestinal tract. If continues or associated with abdominal pain, lightheadedness, shortness of breath or any other unusual symptoms then see a doctor or ER as soon as possible

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Last updated Jan 31, 2017

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