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Doctor insights on: Red Wine Green Poop

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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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Bowel Movement (Definition)

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


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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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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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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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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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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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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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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)

Feces is the product of ...Read more


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