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Doctor insights on: Black Stool

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Dr. Irina Medwin
115 doctors shared insights

Black Stool (Definition)

Black stool is a symptom in which a person's stool (poop) has a black color, or sometimes a very dark red color. Black stools are usually due to old blood (fresh bleeding is red in color).


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What would cause black stools in a 14 month old?

What would cause black stools in a 14 month old?

Possible blood: Black stools could be from a number of things, but it is very important to make sure it is not caused by an intestinal bleeding high in the gut. You need to take the baby and the black stool to the doctor so he/she can test the stool for blood. ...Read more

Dr. Peter Kurzweil
Board Certified, Internal Medicine
44 years in practice
16M people helped
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Dr. Irina Medwin
115 doctors shared insights

Black Stool (Definition)

Black stool is a symptom in which a person's stool (poop) has a black color, or sometimes a very dark red color. Black stools are usually due to old blood (fresh bleeding is red in color).


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What does it mean if you have black stools?

What does it mean if you have  black stools?

Dark-colored stool: Dark-colored stools may result from iron supplements, foods you eat (like a lot of spinach), substances (like peptobismol), but most significantly suggests bleeding. When blood is denatured by acid in your stomach, as from ulcers, stools will turn tarry ("melena"). Blood may also be ingested from nose bleeds, bleeding gums. Silver-colored stool suggests bleeding from the biliary tree. Get checked. ...Read more

Dr. Peter Kurzweil
Board Certified, Internal Medicine
44 years in practice
16M people helped
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Dealing with Blood in Stool (Tip)

Dealing with Blood in Stool

Don't ignore blood in stool—whether visible or occult. It's a warning sign that warrants attention. ...See more

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Diagnosing Blood in Stool (Checklist)

heme test stool
daily
dietary changes
3x day
stool softener
3x day
See your doctor
once
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Ate food in thailand=intense stomach pangs of pain every 30-20min, duration 1min. Dribbly black stool, not uncontrollable. What is it/how to treat?

Ate food in thailand=intense stomach pangs of pain every 30-20min, duration 1min. Dribbly black stool, not uncontrollable. What is it/how to treat?

See a doctor: You need to be examined and your stool cultured and tested for ova and parasites. Can think of a dozen or more potential diagnoses, but rather than listing all of these, go see an infectious diseases doctor and be evaluated. Hope you get better quickly. ...Read more

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How much should I worry about black stools?

How much should I worry about black stools?

Check for bleeding: If your stools are black, tarry (sticky) and have a bad odor - this could be gastrointestinal bleeding and should be checked out promptly. As stated in a previous answer, some medications can cause black stools. It is simple to test the stool to determine if it contains blood. ...Read more

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Board Certified, Internal Medicine
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Dealing with Blood in Stool (Tip)

Dealing with Blood in Stool

Blood in stool is not a joke. It can come from the stomach to anus. Needs serious direct examination. ...See more

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I have had a urine test showing excess protein but seeing as i had oral thrush at the time wasnt treated, now i also have black stool?

I have had a urine test showing excess protein but seeing as i had oral thrush at the time wasnt treated, now i also have black stool?

Watch for black tarr: Repeat the urine analysis. Black tarray stops are of major concern and are related to a bleed from the stomach, please see a physician. ...Read more

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What's the best treatment to get rid of black stools?

What's the best treatment to get rid of black stools?

Determine cause: Black stools could be due to iron supplements, bismuth antidiarrheal agent (e.g. Pepto bismol), or bleeding from the upper gastrointestinal tract or sometimes right side of the colon. Bleeding can cause black, sticky, smelly bowel movements. If not taking iron or busmuth, or it continues after stopping, it really is necessary to get seen and be sure there is not a serious but treatable cause.. ...Read more

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Dealing with Blood in Stool (Tip)

Dealing with Blood in Stool

If you see blood in your stools, or they look black and tarry, see your doctor for a rectal exam! ...See more

Dr. Mathew Chengot
273 doctors shared insights

Melena (Definition)

Melena is also known as Black stool. Melina is blood in the stool that is black, tarry, sticky, and smelly. The blood in melena comes from high up in the gastrointestinal tract, and gets partially digested which is why it changes to melena. Bright red blood comes from lower ...Read more


Stool Is Black (Definition)

Stool is black is also known as Black stool. Stool is black is a symptom in which there is black, reddish-black, or very dark coloring to stools. Black stools can be due to old blood in the stools ...Read more


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Dr. Peter Kurzweil
Board Certified, Internal Medicine
44 years in practice
16M people helped
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