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18 possible causes of 'Black stools'

1. Bloody Or Tarry Stools
Bloody or tarry stools refer to a stool sample that is either dark red or black in color. Bloody or tarry sto...

Symptoms:

  • Black stools
2. Gastritis
Gastritis is inflammation in the protective lining of the stomach. Acute gastritis involves sudden, severe in...

Symptoms:

  • Dark colored stool
  • Blood in vomit
  • Abdominal pain worse with eating
  • Rectal bleeding
  • Black stools
3. Gastric and Duodenal Ulcers
Gastric and duodenal ulcers are defects in the lining of the stomach or duodenum that form when gastric acid ...

Symptoms:

  • Nausea
  • Rectal bleeding
  • Blood in stool
  • Tired
  • Black stools
4. Peptic Ulcer
Peptic ulcers are sores that develop in the lining of the stomach, esophagus, and small intestine as a result...

Symptoms:

  • Pain
  • Chest pain
  • Chest pain under breastbone
  • Abdominal pain worse with eating
  • Black stools
5. Diverticulitis
Diverticulitis occurs when diverticula (bulging sacs that usually appear in the lining of the large intestine...

Symptoms:

  • Diarrhea
  • Dark colored stool
  • Change in bowel habit
  • Chronic pain
  • Black stools
6. Bleeding Esophageal Varices
Bleeding esophageal varices occur when swollen veins (varices) in your lower esophagus, the muscular tube tha...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Nausea
  • Lightheadedness
  • Blood in stool
  • Fatigue
  • Black stools
7. Intussusception
Intussusception is the enfolding of one segment of the intestine within another. It is characterized by and i...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Colic
  • Chronic pain
  • Nausea
  • Black stools
  • Pain
8. Crohn’s Disease
Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is asso...

Symptoms:

  • Crampy rectal pain
  • Aversion to food or drink
  • Dark colored stool
  • Unintentional weight loss
  • Black stools
9. Colitis
Colitis is inflammation of the colon. Other parts of your intestines, which includes, the colon, may also be ...

Symptoms:

  • Diaphoresis
  • Crampy rectal pain
  • Chronic pain
  • General weakness
  • Black stools
10. Alcoholic Liver Disease
Damage to the liver from excessive drinking can lead to ALD. Years of alcohol abuse cause the liver to become...

Symptoms:

  • Fainting
  • Abdominal pain
  • Restlessness
  • Black stools
  • Nausea
This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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