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Doctor insights on: Red Wine Green Poop

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Dr. Thomas Wright
Board Certified, American Board of Phlebology
23 years in practice
3M people helped
1

1
Does red wine turn your poop black?

Does red wine turn your poop black?

Sometimes: Red wine does not usually cause blackened stool. It sometimes causes green stool, as it may contain dyes [that are also used in grape sodas and grape candies] that cause stool to green. If it has very high tannins. Meaning grape skins were left in the wine a very long time this may cause a darkening of stool. ...Read more

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Dr. Crystal Twynham
Board Certified
27 years in practice
928K people helped
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Bowel Movement (Definition)

Expulsion of fecal material, food residue and bactrial residue, ...Read more


Dr. Dan Fisher
Board Certified, Internal Medicine
21 years in practice
78M people helped
2

2
Hi ad red wine last night i went for poop this morning and colour was dark is that normal thank you?

Hi ad red wine last night i went for poop this morning and colour was dark is that normal thank you?

Possible: Can be. Stool that is black from blood typical has a foul and distinct odor and is sticky. ...Read more

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Dr. Crystal Twynham
Board Certified
27 years in practice
928K people helped
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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
3

3
Can red wine make your poop dark?

Can red wine make your poop dark?

Yes, it is reported: That red wine can cause stool to darken. If you have black, tarry, foul smelling bowel movements then please have this evaluated to insure it is not due to GI bleeding. Take care. ...Read more

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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
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Dr. Crystal Twynham
Board Certified
27 years in practice
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Dr. Robert Killian
Board Certified, General Practice
22 years in practice
327M people helped
5

5
Why my poop turn black after i drink red wine?

Black Stool: Black stool is usually a sign of a gastric ulcer and bleeding in the stomach. It is an emergency. Alcohol can really irritate the ulcer and make it worse. ...Read more

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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
6

6
Is it normal for your feces to be black after drinking red wine?

Is it normal for your feces to be black after drinking red wine?

Not that I am : Aware of. Taking iron, pepto bismal or other meds with bismuth? Eating black licorish? If stool is black, tarry & malodorous this could be due to melena (gi bleeding) & would warrant prompt medical evaluation. Take care. ...Read more

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Dr. Martin Raff
Board Certified, Infectious Disease
50 years in practice
103M people helped
7

7
What is the effect of drinking red wine? Also i find it difficult to stool the following morning because the stool was very strong, what caused it

What is the effect of drinking red wine?  Also i find it difficult  to stool the following morning because the stool was very strong,  what caused it

Two questions: Red wines contain tannins which enhance taste. There are about 50+ varietals. Some people do not tolerate wines for various reasons. Hard stools, if related to the wine are likely caused by dehydration. Wine acts as a diuretic, causing you to urinate more, and because you are imbibing the wine you may reduce your water intake. Of course, your stool issue may not have anything to do with wine. ...Read more

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Dr. Martin Raff
Board Certified, Infectious Disease
50 years in practice
103M people helped
8

8
My stomach hurts only at night when trying to sleep. My stool is pretty consistent brown with an occasional greenish hue post red wine. Thoughts?

Abdominal pain: You should not be having abdominal pain. Color of stools, as long as not colorless or jet black or grossly bloody has little meaning. Suggest you see a doctor and have the abdominal pain evaluated. If you have helicobacter infection this needs to be treated to reduce risks of malignancy, etc. Good luck and feel better soon. ...Read more

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
9

9
Why black stool after ingestion of red wine?

Why black stool after ingestion of red wine?

How black?: If you had tarry black stool, you may have had an intestinal bleed and should see your doctor. Red wine may have had nothing to do with it. ...Read more

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Dr. Albert Pizzo
Board Certified, Family Medicine
54 years in practice
46M people helped
10

10
Okay so when i drink beer iam fine even hard liquor but when i drink wine i poop blood it is bright red and it hurts?

Okay so when i drink beer iam fine even hard liquor but when i drink wine i poop blood it is bright red and it hurts?

Blood in stool: Defecation of bright red blood is always of concern and you should see your doctor about this and find out what is wrong, and to help you with any treatment that is necessary. Meanwhile do not drink wine. ...Read more

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Feces (Definition)

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Dr. Crystal Twynham
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27 years in practice
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