Black stool usually lasts 2 days and if the black stool lasts longer than 2 days then you should see a doctor.
If the black stool is caused by supplements or something you ate or medications then the black stool should go away within 1 to 2 days.
If the black stool persists longer than a few days it can be a sign of gastrointestinal bleeding and you should see a doctor.
Diets rich in iron can also cause black stool.
Black stools can be harmless and can be a result of food you ate or a temporary digestive issue.
Black stools are also often a sign of gastrointestinal bleeding, but not always.
Certain medications, supplements and foods can also turn your poop black.
If your stool or poop continues to be black longer than a few days you should see a doctor as it could be a sign of gastrointestinal bleeding.
Black or tarry stools may be due to bleeding in the upper part of the GI (gastrointestinal) tract, such as the esophagus, stomach, or the first part of the small intestine.
In this case, blood is darker because it gets digested on its way through the GI tract.
Black stools are most often indicative of digestive issues.
Black stools or black poop can indicate that you may have digestive issues.
If you consistently experience black poop or black stools it could be an indication that you have a health issue with your upper digestive tract.
So if you consistently have or experience black poop or black stools see your doctor about it because it could indicate a health issue that can sometimes be fixed.
Sometimes black poop or black stools can be caused by some foods you eat as well and may not indicate a problem at all.
If you eat some foods that are black that can lead to black poop or black stools which is normal and nothing to worry about.
Taking Iron Supplements can also sometimes lead to people experiencing black stools or black feces which is also normal.
But if the black stools or black poop just suddenly started happening and it doesn't go away within a few days to a week then see your doctor.