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Doctor insights on: Dark Brown Smelly Stool

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I had a stool this morning that is very dark brown/black. Not tarry or smelly. I take no medication except vitamin. I drank wine last night. Blood?

I had a stool this morning that is very dark brown/black. Not tarry or smelly. I take no medication except vitamin. I drank wine last night. Blood?

Dark stool: Iron makes the stool black, so if it in your vitamins that could be the cause. In fact the reason blood makes the stool black is because of the iron in blood. Discuss with your doctor /urgent care over next 2 weeks ...Read more

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Feces is the product of ...Read more


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I returned from Jamaica a week ago with stomach cramps and yellow/brown stool that were soft and smelly. They became dark green, now pale green?

I returned from Jamaica a week ago with stomach cramps and yellow/brown stool that were soft and smelly. They became dark green, now pale green?

Bacterial diarrea: Please see a doctor. Will need tests & medications.
Stay well hydrated.

Can have banana, rice, apple sause & tea. ...Read more

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Why is my stool a very dark brown black color?

Why is my stool a very dark brown black color?

Not sure: Black stools can be due to medications that contain either iron or bismuth, eating certain foods (like black licorice), Gastrointestinal bleeding or ingestion of charcoal. ...Read more

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My stools are dark brown but look flat, is this a problem?

My stools are dark brown but look flat, is this a problem?

Flat brown stool: The amount, color, frequency, shape of stool varies with foods, speed of emptying of the GI tract, medications, supplements ingested, gut flora (unique for each individual), additives (like blood), subtractions (like absent bile), infection, inflammation, other factors. If stool pattern has changed, is unusual for you, the change persists, or is accompanied by other symptoms, see your doctor pls ...Read more

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Should I be worried if my stool is very dark brown, almost black?

Should I be worried if my stool is very dark brown, almost black?

Tarry? Sticky?: Foul smelling? - if yes then get it medically checked out to ensure that you don't have GI bleeding. ...Read more

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Please help! Dark brown strands in stool. Could it be the oreos I ate?

Please help! Dark brown strands in stool. Could it be the oreos I ate?

Probably not: Some foods cause your stool to change color but oreos should not cause the stool changes you describe. I wouldn't worry if this issue occurred 1 time, but if you notice stool changes for more than a few days, see your doctor. ...Read more

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What does it mean when stool in dark brown on the outside and light brown on the inside?

What does it mean when stool in dark brown on the outside and light brown on the inside?

It might..: It might be completely normal depending on what you ate. However, we would need to know what other symptoms you are presenting. If the stool turns black or has blood, mucus on it it would need further evaluation. If otherwise you are healthy I would just make sure that you eat plenty of fiber (fruits and vegetables), low fat diet in order to produce a healthy bowel movement. ...Read more

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My stool colour is very dark brown with dark brown blakish patches, should I b concerned?

It can be serious: Dark stools can be a sign that you are bleeding somewhere in your gastrointestinal tract (GI system). The stool is black (melena) because the blood has been digested. It can indicate that you have an ulcer or lesion in the tract somewhere. You need to be seen by your PCP or a gastroenterologist. A basic stool test can help. ...Read more

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My stool has been very dark brown/black the last 2 weeks and my appetite has been down. What could be causing this??

My stool has been very dark brown/black the last 2 weeks and my appetite has been down. What could be causing this??

A simple stool: Test obtained from your Primary Care Physician's Office will disclose any blood in your stool (which could explain the black stools) Otherwise your diet pretty much influences the color of your stools! Sounds like you need a "check up"...make an appointment TODAY!
Hope this helps and Good Luck

Dr Z ...Read more

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Hi should I worry if for the past couple of days my stool has been half brown half very dark brown very similar to black?

Hi should I worry if for the past couple of days my stool has been half brown half very dark brown very similar to black?

I don't think you: Need to worry, but I would continue to watch it. Very likely the dark brown digested products of something you ate or took (especially iron) were processed and collected up against your usual color stool. I predict in another day or two it will normalize. The most worrisome thing is if the black stool represents old blood is present. If it persists, see Doc; consider stool test for blood. ...Read more

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I have been having deep dark brown (black like)stool for the past few days. I have had no pain during and prior to this.?

I have been having deep dark brown (black like)stool for the past few days. I have had no pain during and prior to this.?

Needs to be seen: Black stools are not normal. It could be from some type of food you are recently eating, but you need to be seen and evaluated for proper diagnosis and treatment. ...Read more

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Stool is darker in one area. Stool was normal sized and also normal in color. Mostly brown but at the end seemed way darker?

Stool is darker in one area. Stool was normal sized and also normal in color. Mostly brown but at the end seemed way darker?

All brown colors: Of stool are normal. Abnormally light stools ("clay-colored") may be due to reduced bile associated with liver disease. All dark brown stools are normal UNLESS they are BLACK which suggests upper GI bleeding. Sometimes more or less hydration in one part of the stool may affect its brown color. I wouldn't worry about this any further. Stay well:) ...Read more

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Normal for stool to change consistency in the same day? One is light brown/normal shape, next one is dark brown and pretty soft.

Normal for stool to change consistency in the same day? One is light brown/normal shape, next one is dark brown and pretty soft.

Can happen: This can happen. Usually due to changes in diet. If you are consistently taking a fiber supplement, then less likely. You should consider regular fiber in the diet and more water intake.
It's best to discuss significant changes with your physician. May want to consider colonoscopy if you are adult age. ...Read more

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I noticed today that my stool was a bit darker brown than usual. Definitely not black, just darker brown than it usually is. What caused this?

I noticed today that my stool was a bit darker brown than usual. Definitely not black, just darker brown than it usually is. What caused this?

Most likely normal: Our stools can vary in color depending on what we eat. Some foods such as beets clearly do this, while the amount of fiber and protein can shift the color slightly. If you pass soft, well formed stools on a regular basis, don't feel pain with passing one, don't see any blood or black tar-like substance in or on it, then you most likely are fine. ...Read more

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My stool was big and hard very dark colour but when I wiped it and stuff the marks were brown. Was stool just very dark brown? Eaten lots of chocolate

My stool was big and hard very dark colour but when I wiped it and stuff the marks were brown. Was stool just very dark brown? Eaten lots of chocolate

Black, tarry stool?: If the stool is black and like hot tar consistency, it's possible that there is blood in the stool.
Stool color varies dramatically with what foods you've eaten, dyes that may have been in processed food or in your case maybe even very large quantities of dark chocolate. ...Read more

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Is dark brown stool normal?

Yes: The dark brown color of stool is from red cell breakdown--this is normal. ...Read more

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What causes dark brown stools?

Bleeding from PUD: Bleeding froim PUD or any other disease of the upper GI tract above the ligament of traici. ...Read more

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What causes the stools to be dark brown if its not blood?

What causes the stools to be dark brown if its not blood?

Dark stools: 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... Persistent melena (without obvious cause) ; symptoms warrants md visit. ...Read more

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What can very dark brown stool indicate?

What can very dark brown stool indicate?

Probably nothing: But there are many causes of dark stools (blood, meds, diet, etc). Fortunately it is easy to tell by bringing a small sample to your md to test for blood. If blood is found a colonoscopy and upper endoscopy could be performed to rule out a source of bleeding. If no blood, it may just be diet or other normal cause. ...Read more

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I have dark brown stool for the past 3 days?

Normal: Dark brown stool is normal. Very black and tarry stools are not normal. Bloody stools, or maroon colored stools are not normal. Very light or clay colored stools are also concerning. ...Read more

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Where are these black and dark brown stools from?

Where are these black and dark brown stools from?

Rule out melena: 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... Persistent melena (without obvious cause) & symptoms warrants md visit. ...Read more

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What to do if very dark brown stool, scared! Worried!?

What to do if very dark brown stool, scared! Worried!?

Do you feel: Healthy? Black, tarry, malodorous stool or maroon stool could be due to GI bleeding. Brown stool -usually isn't as much of a concern. If you are worried - you doctor can very easily test for blood in feces.
take care. ...Read more

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Is it normal to have a dark brown or black color in my stool?

Possibly not: Black tarry, malodorous stool can be due to blood in bowel movements. Stool may also turn black if one takes iron pills or bismuth medications. A stool guiac can distinguish if there is blood in stool or not. ...Read more

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What does it mean to have almost black or very dark brown stools?

What does it mean to have almost black or very dark brown stools?

Not sure: Tarry / sticky? Bad smell? Dark? - could possibly be related to a GI bleed. Or can be related to meds or foods. ...Read more

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Now I'm having dark brown stools. Could that just be the chocolate?

Probably normal: Normal stools are various shades of brown. Black (like tar) is a different story-can be due to some meds, like iron pills, pepto bismol, (bismuth subsalicylate) charcoal capsules, or blood. ...Read more

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I've had really dark brown stool for a while now, should I be worried?

What color do U want: The color of stool varies with foods, speed of emptying of the GI tract, medications & supplements ingested, gut flora (unique for each individual), additives (like blood), subtractions (like absent bile), infection, inflammation, & other factors. Consider what you ate in the last few days, but if current color is unusual for you & persists or is accompanied by other symptoms, see your doctor. ...Read more