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Doctor insights on: Black Stool After Drinking

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Dr. Pamela Pappas
Board Certified, Psychiatry
37 years in practice
135M people helped
1

1
Is it normal having black stools after drinking hard alcohol?

Dr. Pamela Pappas
Board Certified, Psychiatry
37 years in practice
135M people helped
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

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Dr. Keegan Duchicela
Board Certified
9 years in practice
15M people helped
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Dr. Keegan Duchicela
Board Certified
9 years in practice
15M people helped
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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


Dr. Eric Kaplan
Board Certified, Colon and Rectal Surgery
37 years in practice
8M people helped
2

2
Black stools after drinking. Is this a common side effect?

Dr. Eric Kaplan
Board Certified, Colon and Rectal Surgery
37 years in practice
8M people helped
Black stools after drinking. Is this a common side effect?

Black stools: After drinking is an ominous sign for a gastric ulcer or gastritis, aggravated by the alcohol, leading to bleeding. The blood turns black when exposed to acid in the stomach and hence makes the stools black. Stop drinking! and go see a gastroenterologist to make the diagnosis and get you on a treatment plan before you do some serious damage. ...Read more

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Dr. Keegan Duchicela
Board Certified
9 years in practice
15M people helped
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Dr. Keegan Duchicela
Board Certified
9 years in practice
15M people helped
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Dr. Eric Kaplan
Board Certified, Colon and Rectal Surgery
37 years in practice
8M people helped
3

3
Could pepto bismol cause black stool 2 days after drinking it?

Dr. Eric Kaplan
Board Certified, Colon and Rectal Surgery
37 years in practice
8M people helped
Could pepto bismol cause black stool 2 days after drinking it?

Yes: But if you see black stool and have not taken pepto recently, this should be evaluated by a GI doctor. ...Read more

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Dr. Kenneth Smith
Board Certified, Internal Medicine
27 years in practice
5M people helped
4

4
Black stools after a night of drinking red wine?

Dr. Kenneth Smith
Board Certified, Internal Medicine
27 years in practice
5M people helped
Black stools after a night of drinking red wine?

Black stools: Not caused by red wine cause for black stool can be GI bleeding stomach duodenum. Now alcohol could precipitate. Also bismuth found in product pepto-bismol. ...Read more

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Dr. Keegan Duchicela
Board Certified
9 years in practice
15M people helped
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Dr. Heidi Fowler
Board Certified, Psychiatry
20 years in practice
532M people helped
5

5
After you drink black coffee, is it normal to have a black stool?

Dr. Heidi Fowler
Board Certified, Psychiatry
20 years in practice
532M people helped
After you drink black coffee, is it normal to have a black stool?

I don't think so.: If you have black, sticky, malodorous stool that might be due to gastrointestinal bleeding (melena). If this is the case - please seek prompt medical attention. ...Read more

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Dr. Susan Rhoads
Board Certified, Family Medicine
33 years in practice
6M people helped
6

6
Visted ER for spitting a lil blood,after a night of drinking, doc did a rectal test for blood ,results negative ,gastritis, now I'm having black stool?

Dr. Susan Rhoads
Board Certified, Family Medicine
33 years in practice
6M people helped
Visted ER for spitting a lil blood,after a night of drinking, doc did a rectal test for blood ,results negative ,gastritis, now I'm having black stool?

Go back to ER: If the doctor only did a rectal soon after you threw up blood, then it was too soon for the blood to have made it to your colon. He did not check your stomach for blood? If you are having black stools, or are dizzy, go to the ER again. No more drinking for you, cowboy! ...Read more

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Dr. Charles Cattano
Board Certified, Gastroenterology
34 years in practice
40M people helped
7

7
Hi i been having black stool and I have been drinking a lot and been taking pepto for the last few days.But I don't see aNY red and not much of a smel?

Dr. Charles Cattano
Board Certified, Gastroenterology
34 years in practice
40M people helped
Hi i been having black stool and I have been drinking a lot and been taking pepto for the last few days.But I don't see aNY red and not much of a smel?

Define melena: Melena, by definition, is passage of dark stools stained with denatured blood. As we established in prior healthtap answers, all dark stool is not melena. Your doctor, or even an over-the-counter test that you can purchase, can check to see if your dark stool contains blood. Needed is for you to provide a sample of the dark stool. False positive results can occur based on diet & stool additives. ...Read more

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Dr. Heidi Fowler
Board Certified, Psychiatry
20 years in practice
532M people helped
8

8
1st time ever i had black stool. I take vitamins and drink coffee a lot. Why is it black/ dark brown color?

Dr. Heidi Fowler
Board Certified, Psychiatry
20 years in practice
532M people helped
1st time ever i had black stool. I take vitamins and  drink coffee a lot.  Why is it black/ dark brown color?

? Melana: Hello. Black, tarry malodorous stool (melena) can sometimes be related to gastrointestinal bleeding. If this fits the description - it is best to have it medically evaluated. ...Read more

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Dr. Ronald Krauser
Board Certified, Rheumatology
47 years in practice
66M people helped
9

9
Can daily drinking of prune juice cause black stool?

Dr. Ronald Krauser
Board Certified, Rheumatology
47 years in practice
66M people helped
Can daily drinking of prune juice cause black stool?

No: No it does not. A black stool may result from GI bleeding. Contact your doctor now. ...Read more

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Dr. John Ewald
Board Certified, Internal Medicine
38 years in practice
80K people helped
10

10
My partner has really bad stomach pain, it hurts him to walk, eat, drink hot fluid and it's there all the time, he has black stools what could it be?

Dr. John Ewald
Board Certified, Internal Medicine
38 years in practice
80K people helped
My partner has really bad stomach pain, it hurts him to walk, eat, drink hot fluid and it's there all the time,  he has black stools what could it be?

Ulcer or UGI bleed?: It would appear that your partner might be bleeding internally in the upper gastrointestinal tract. The black stools are called, melena and are indicators of upper GI blood loss caused by digestive action on hemoglobin. For example, blood from the large intestine will dark purple and smells foul. Bright red would suggest bleeding close to or in the anus. He should have this evaluated. ...Read more

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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 ...Read more


Dr. Ki-Hon Lin
309 doctors shared insights

Melena (Definition)

Melena is also ...Read more


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Dr. Keegan Duchicela
Board Certified,
9 years in practice
15M people helped
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