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Doctor insights on: Dark Diarrhea

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My stomach hurts and I have really watery and dark diarrhea. What do I have? This has been happening since thur.

My stomach hurts and I have really watery  and dark diarrhea. What do I have? This has been happening since thur.

Thoughts: This could be a viral gastroenteritis (stomach bug). There are inflammatory conditions - like crohn's or ulcerative colitis, that can cause diarrhea like this as well as other infectious causes (salmonella). If you're having significant pain and/or bloody stools, make sure you get it checked out! ...Read more

Dr. Oscar Novick
2,085 doctors shared insights

Loose Stools (Definition)

Loose stools is a symptom in which a person's stool (poop) does not hold its shape after it goes into the toilet. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, ...Read more


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Weight loss dark diarrhea and farting?

Weight loss dark diarrhea and farting?

Have evaluated: This should be evaluated by a physician. The dark stools could be a sign of bleeding in your intestines. Weight loss associated with this could be conerning as well. ...Read more

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I have very dark diarrhea it's almost black? What would be the cause of this? I've also had stomach cramps too.

I have very dark diarrhea it's almost black? What would be the cause of this? I've also had stomach cramps too.

GI Bleeding: When blood travels through the GI tract, it exits black and is called melena. I would be concerned this may be indicative of gastrointestinal bleeding. Commonly an ulcer will bleed and i see you are on Aspirin which can cause it, but it could be lower GI as well. But regardless, with pain, black stools and history of regular Aspirin - i would go immediately to the hospital emergency department. ...Read more

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I have ibs. But lately very smelly gas and very smelly dark diarrhea. Mother found out she had colon cancer at 35.Why so stinky? No change in diet.

I have ibs. But lately very smelly gas and very smelly dark diarrhea. Mother found out she had colon cancer at 35.Why so stinky? No change in diet.

You need to see doc: You are 47, having malodorous, bark stool which may suggest bleeding (melena--which can be quite foul) and needs to be checked. You also have a family history of colon cancer--a big concern. So, don't delay. Contact doc for eval as soon as you can. Good luck. ...Read more

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Help please! is dark green diarrhea bad?

Green, loose stool: Any conditions which cause the stool to transit too rapidly through the intestines can lead to green, moist stool. On the other hand eating green leafy vegetables can lead to green stool. Green cabbage, lettuce, peas, cabbage, spinach, broccoli, green salad, green leaves, celery & green beans as well as food that contains green food coloring can lead to green stool. See dr for change in stool >>. ...Read more

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Female 25. I have had two bouts of explosive dark brown diarrhea over the past two hours. Should I be concerned?

Only if painful: I'd stay close to a toilet, (stay home), stay away from others (minimize spread), and drink plenty of fluids (alternate water and Gatorade). If this continues or is uncontrolled, or associated with anything more than mild abdominal pain/cramping, then head to an urgent care or ER (if severe) or see your doctor in the morning. Speed of follow up is proportional to pain. ...Read more

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Is dark green diarrhea bad? I ate berry crunch cereal 3 times in the last 12 hours.

Is dark green diarrhea bad? I ate berry crunch cereal 3 times in the last 12 hours.

Maybe. Maybe not.: Having occasional episodes of vomiting or diarrhea can be due to something in the food (such as food poisoning by bacteria or their secreted chemicals). Another cause of such symptoms is a stomach virus. A primary care doctor can review one's history and do an exam to see if there is anything to worry about. Symptoms that go away the next day and don't return, are usually not a worrisome problem. ...Read more

Dr. Oscar Novick
3,228 doctors shared insights

Diarrhea (Definition)

Diarrhea is a term that describes loose, watery stools occurring more frequently than usual. It is often not due to a serious cause, but severe diarrhea ...Read more