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Doctor insights on: Is Half Brown Half Black Stool Normal

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How do you tell the difference between dark brown stools and black stools and are dark brown stools normal?

How do you tell the difference between dark brown stools and black stools and are dark brown stools normal?

Black is bad: Black stools are completely black or black green. Dark brown stools are fine. The color of the stool is very dependent on the diet a diet rich in red meat will have dark brown stools but they should not be black. Blackstilt can be seen when there is blood in the digestion track or from senna cathartics. ...Read more

Dr. Andrew Seibert
347 Doctors shared insights

Melena (Definition)

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


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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?

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?

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 ...Read more

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How do you know the difference between black stool from iron supplement or bleeding? Normal brown stool before iron pills were started. Should I worry

Black stool causes: It is likely that your black stools are from Iron supplement because you had Normal brown stools before iron pills were started.

Upper GI bleeding can have dark blood in stools.

If you have history of Ulcer, abdominal pain, vomiting, or diarrhea, please see Gastroenterologist for Diagnosis and Treatment. Discuss need for iron supplement. ...Read more

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What do you advise if I had one brown stool, and one half brown and black stool a few minutes ago.?

Nothing: stool color will vary depending on food intake. Be concerned if multiple stools have blood or are black like tar. If either occur repeatedly you need to report this to your doctor. ...Read more

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I have brown with mostly black stool?

I have brown with mostly black stool?

Problem: Black stools or melena, is always considered blood. It usually comes from the stomach or the beginning parts [higher up in our jargon] of the small intestine. Bleeding from colon usually comes out red. Black or red stools need to be investigated. ...Read more

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Dark brown, but not black stool. What could it be?

Dark brown, but not black stool. What could it be?

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 color can contain hidden blood, so if you're worried, your physician can do a simple hemoccult for hidden blood in the office. ...Read more

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Is it normal to have black stools a week after surgery?

Is it normal to have black stools a week after surgery?

Can't: Answer that question without knowing what the surgery as. Generally the first stools after colon surgery are mostly bile from the liver/gall bladder and can appear black. But black stools can be a warning of something more serious. Call your surgeon and make sure they are aware and be prepared to give details and possibly a visit to your surgeon or the er. ...Read more

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Had a black stool, then a normal one what could this be?

Black stools: Can indicate digested blood, but the presence of the normal stool afterward makes that less likely. It could also just have been something you ate. If you start seeing repeated black stools, see your doctor. Hope this helps! ...Read more

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Dark brown nearly black stool with no other symptoms what is this?

Dark brown nearly black stool with no other symptoms what is this?

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 bismuth in peptobismol can make your stools black or dark. ...Read more

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Speaking of black stools, do you mean very dark brown or truly black?

Speaking of black stools, do you mean very dark brown or truly black?

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 supplements) but regardless, you should have it checked by your doctor. ...Read more

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Been having dark brown with mostly black stool this morning. Should I worry?

Yes: Black stool can be blood in there from the stomach or duodenum. A quick visit to the doctor can get the result with a quick test for blood.
It is something that should be checked by your physician. ...Read more

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What do you advise if I had dark brown with mostly black stool this morning. Should I worry?

If it was: Black, tarry and foul-smelling it could be related to GI bleeding. That would warrant medical eval. Take care. ...Read more

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What do you suggest if I have dark brown with mostly black stool this morning. Should I worry?

What do you suggest if I have dark brown with mostly black stool this morning. Should I worry?

Yes: Black stools or melena, is always considered blood. It usually comes from the stomach or the beginning parts [higher up in our jargon] of the small intestine. Bleeding from colon usually comes out red. Black been partially digested stools need to be investigated. Products containing bismouth can make our stool black, but it must always assumed to represent bleeding within the GI tract. ...Read more

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I have been drinking heavily once a week for about a year, recently I have noticed black stools the day after but they return to normal the next day?

I have been drinking heavily once a week for about a year, recently I have noticed black stools the day after but they return to normal the next day?

Quit drinking: You are probably bleeding from your stomach when you drink. If you keep drinking, it will only make matters worse. Alcohol is a poison and it never did anybody any good, ever. So quit drinking while you are ahead.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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I passed black stool 2 times &my OCCULT bood came +ve. My phyiscan prescribed me PANTOCID & now for last 2days I am passing normal stool. Is that ok?

Need further testing: It sounds like you could have an ulcer or pre-ulcer changes in the stomach if the black stools resolved with Pantocid, I would recommend evaluation with an upper endoscopy to assess the problem more fully. ...Read more

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Is black stool after colonoscopy normal?

Is black stool after colonoscopy normal?

Probably not, but...: Melena is dark stools stained with denatured blood, but all dark stool is not melena. False positive hemoccult results can occur based on diet ; stool additives. However, colonoscopy can result in bleeding due to biopsies, scope abrasion/trauma, post-polypectomy oozing, etc. By all means, call your colonoscopist now ; alert them to your concern--they know your risks ; will be eager to assist you.. ...Read more

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Had black stools couple months and disregarded, haven't had since should I still get it checked out or is it normal for it to come sometimes?

Black stools: Black stools can be due to something you ate. It can also be due to bleeding in your stomach and intestines. If you have lost weight or are having stomach pains get checked out, otherwise at your age you might wait until the nest episode. ...Read more

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Is it normal having black stools after drinking hard alcohol?

Is it normal having black stools after drinking hard alcohol?

NO: Alcohol can cause gastritis or other kinds of GI bleeding. Stools could be black because of passing old blood. Please see your family physician for evaluation and help. This will only get worse with inattention and continued alcohol use. ...Read more

Stool Is Black (Definition)

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


Feces (Definition)

Feces is the product of ...Read more