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Doctor insights on: Black Stool After Drinking

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

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

Dr. Gary Sandler
337 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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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

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Is it normal to have black stool after drinking red wine too much?

Is it normal to have black stool after drinking red wine  too much?

NO: A black stool may be caused by certain foods (eg Blueberries) and by IRON containing liquids (Some Red Wines may have an elevated iron level) BUT BLEEDING MUST BE RULED OUT! A visit to your Primary Care Provider witha stool sample (call first you may be directed to a laboratory) Hope this helps! Good Luck Dr Z ...Read more

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Black stools after a night of drinking red wine?

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

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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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?

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

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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Can your pancreas be the reason if you drink red wine.. You have black stools ?

Black stools: Black stools are usually an indication that you are bleeding from higher up in the gastrointestinal tract. This meaning you may have an small bleeding ulcer. Some foods cause dark stools too. Might be wise to have a blood count done as well as check your stools for blood. ...Read more

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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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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?

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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Can dranking too much mallox are malanta are any antiacid cause black stool?

Can dranking too much mallox are malanta are any antiacid cause  black stool?

Melena--get checked!: Black 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"). Unless you ingested blood from nose bleeds, bleeding gums, then you may have a signficant stomach source of hemorrhage. Get checked now! ...Read more

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Is black stool always blood, or could some foods or drinks cause it?

Is black stool always blood, or could some foods or drinks cause it?

Iron, petobismol: It is reasonable to see a doctor who can check the stool for blood, or give you special cards to collect the stool for a test. ...Read more

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My father i law drinks a 30 pack every other day. 15a day. Fell last night walking to bathroom, and complained this morning for having black stool.

My father i law drinks a 30 pack every other day. 15a day. Fell last night walking to bathroom, and complained this morning for having black stool.

blood in the stool: Is an indication of ulcers or polyps or cancer or an alcoholic burning a hole through his intestinal tract. Alcoholics anonymous when he is ready to acknowledges that he is sick. It is impossible to stop that could've destructive behavior when in the short run the bleeding needs to be taking care of. Take him to a dr. ...Read more

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Black stool, blood in stool, extreme, constant stomach pain 35 yo male, nonsmoker, no drinker

Black stool, blood in stool, extreme, constant stomach pain 35 yo male, nonsmoker, no drinker

Ulcers: Bright red blood in the stool is from hemorrhoids. Black stool is digested blood from stomach ulcers. These can be treated with Prilosec and suppositories. Get tested for h.Pylori. You're not too far gone to recover, but this is going to take some work. Hopefully, your fp can discover the cause of your bleeding (stress?), diagnose and treat properly, so that you can get to feeling better soon! ...Read more

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What does it mean if I have black stools?

Blood or iron: Vitamines containin iron, iron tablets, and pepto bismol (bismuth subsalicylate) can all cause black stools. Bleeding in the stomach can also cause black stools. ...Read more

Dr. Irina Medwin
115 doctors shared insights

Black Tar Colored Stools (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 is red in color). ...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