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Doctor insights on: Black Watery Stool Causes

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Dr. Oscar Novick
3,323 Doctors shared insights

Diarrhea (Definition)

Diarrhea = increased frequency of stools which ...Read more


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What causes bloody watery stool during marathon?

What causes bloody watery stool during marathon?

Runner trots: Long-distance/marathon runners can experience an unpleasant symptom associated with prolonged exercise: diarrhea. Also known as "runner's trots" or "runner's diarrhea, " exercise-induced diarrhea can result in severe cramping, constipation and loose, watery stools during or after an exercise session. While the exact cause of exercise-induced diarrhea is unknown.

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My girlfriend had a blood watery stool but didn't experience any pain after. What caused this to happen?

My girlfriend had a blood watery stool but didn't experience any pain after. What caused this to happen?

See Primary Care Dr.: This could be something as benign as a hemorrhoid (enlarged vein in the rectum that leaks blood), but also may represent a more serious illness in her colon. She should see her primary care doctor.

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1yr boy pasing type5, 6. 4stool/day acording bristol chart but passes a heavy watery stool early morning, had 12oz milk at night in routine, what is cause?

1yr boy pasing type5, 6. 4stool/day acording bristol chart but passes a heavy watery stool early morning, had 12oz milk at night in routine, what is cause?

Diarrhea: First of 12ounces of milk is too much for your child to drink at one time. Secondly you are exposing your child to develop dental caries because of the sugars present in milk. Third, if he is developing watery diarrhea after drinking milk you have to consider the possibility of lactose intolerance.

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What could cause yellow watery stool and extreme tiredness?

Infected: See your doctor to get properly diagnosed and get the needed prescriptions. Diarrhea can be contagious and you are putting family, friends and coworkers in harms way.

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Bloody stinking discharge from belly button and black watery stool.... Why?

Bloody stinking discharge from belly button and black watery stool.... Why?

See doctor: None of these symptoms are normal and are suggestive of possibly serious conditions such as crohn's disease. You need to see your doctor or a gastroenterologist.

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Is black watery stool a result of taking pepto bismol (bismuth subsalicylate)?

Is black watery stool a result of taking pepto bismol (bismuth subsalicylate)?

Yes: Pepto bismol (bismuth subsalicylate) is a common cause of black stools. Other common causes include iron intake and an upper GI bleed (stomach, small bowel).

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My husband has a bloody discharge from his belly button and pain in his stmach he also has watery stool that is black in color what is wrong with him?

My husband has a bloody discharge from his belly button and pain in his stmach he also has watery stool that is black in color what is wrong with him?

GI bleed: I suspect your husband is hemorrhaging from an ulcer in a meckel's diverticulum due to ectopic gastric mucosa in the structure. It has also reopened the omphalomesenteric duct. He needs to be seen now.

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Pls what are d causes of stomach upset four days b4 mensuration & what to do to be ok. Excreting watery stool 2-3times daily. Its being on for 2days now.

Pls what are d causes of stomach upset four days b4 mensuration & what to do to be ok. Excreting watery stool 2-3times daily. Its being on for 2days now.

PMS: Hi, it's not uncommon to have all these symptoms that you are describing period to the period, the cause of it is a hormone called Progesterone which relaxes the muscles in gut system and causes cramping, diarrhea and bloating. All these symptoms along with others called Premenstural syndrome. The profile says u r a male, is that some sort of mistake?

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Black watery stool, red throat and veins showing inside as well, right tonsil still painful, pus. Is this related to hiv? Testing in2 days. Any assistance?

Black watery stool, red throat and veins showing inside as well, right tonsil still painful, pus. Is this related to hiv? Testing in2 days. Any assistance?

Concerning.: Iron and bismuth medications can cause black stool. Black tarry, malodorous stool can be due to gastrointestinal bleeding. Can't tell you if you have HIV issues - especially since you haven't been tested. See you take brufen - this can sometimes cause GI bleeding. Please seek prompt medical evaluation. Take care.

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What should I do for lose watery stool.?

What should I do for lose watery stool.?

See your doctor: This could be due to multiple different causes. Warrants an exam and possible treatment.

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I have had watery stool for a couple months no other problems. What could it be?

I have had watery stool for a couple months no other problems. What could it be?

Stool Labs Needed: Need to send off a stool sample to the lab. See a doctor to get the process started.
Also a physical exam and medical history will be helpful to narrow down the diagnosis.

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If I have watery stool for more than 2 days, do I have to get a rectal examination?

If I have watery stool for more than 2 days, do I have to get a rectal examination?

NO: If you have fever, severe diarrhea or bloody diarrhea then you might. If you just have some watery diarrhea and it's only been 2 days I doubt the doctor would need to do one.

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At age 16, what does watery stool for more than a couple days mean? What could it be?

Loose stools:: Could be due to a virus (or other infection) or something you are eating or drinking, or an over-the-counter medicine or supplement you may be taking. Sucralose (splenda) and sorbitol (in gummy or jelly candies, breath mints or sugar free gum, or prunes) can cause loose stools. If this lasts more than a few days, get checked to find out why. Avoid caffeine, alcohol, recreational drugs, fatty foods

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Tbeen having very watery stool past few days. Now there is blood. What should I do?

Blood in the Stool: I think the very obvious answer here is that this is proof you need to see a physician. Blood in the stool is not to be observed or just ignored.

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What are rectal examinations used to look for? Would watery stool be a reason to do it?

What are rectal examinations used to look for? Would watery stool be a reason to do it?

Yes: Rectal exam may be done to evaluate loos stools and rule out blood in your stools which the examiner can do at same time as the exam. It may also rule out rectal lesions or hemorroids etc.

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My 2yr old baby has a green not so watery stool. I'm bothered. Pls let me know if its bad or not. Ty?

My 2yr old baby has a green not so watery stool. I'm bothered. Pls let me know if its bad or not. Ty?

Can be normal: The stool color is provided by the bile from the liver that is adds to fecal debris. It starts out a deep green ; slowly changes thru greens to yellows to browns as the germs in the intestines metabolize the bile. Green generally means the stool in question moved through faster or was subject to less change by gut germs.

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Hello, I am suffering from gastritis since 5 days which now has resulted in diarrhoea with very watery stool. Should I have any medicine?

Hello, I am suffering from gastritis since 5 days which now has resulted in diarrhoea with very watery stool. Should I have any medicine?

See a doctor: The only manner in which this can be accurately diagnosed is to examine the stool and get a thorough history and physical exam. Stool may need cultures, exam for inflammatory cells, etc, before an accurate picture of the problem and plan for treatment can be created. For medication you can try imodium, (loperamide) but would still get evaluated.

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My stool is a light brown and very watery I have between 10 -15 minuets of straight watery stool. It is more watery then dihrea is this serious?

My stool is a light brown and very watery I have between 10 -15 minuets of straight watery stool. It is more watery then dihrea is this serious?

Watery diarrhea: In episodic diarrhea, the key thing, assuming there is no blood in the diarrhea, is the possibility of dehydration. If you have diarrhea such as this, it is important to drink lots of fluids to rehydrate yourself. Sometimes medication such as Lomotil (diphenoxylat and atropine) is useful to slow it down, although it is usually self-limited. See your doctor if it does not resolve in several days. Good luck.

Feces (Definition)

Feces is the product of ...Read more