Why is my poop black?

There are several possible reasons for black-colored stool, including:

1. Consumption of certain foods or medications:

Some foods like black licorice, blueberries, or iron supplements can cause temporary black stool.

2. Gastrointestinal bleeding:

Black stool can be a sign of bleeding in the upper digestive tract, such as the stomach or esophagus. This can be caused by conditions like ulcers, gastritis, or bleeding from the esophagus or stomach lining.

3. Iron or bismuth medications:

Certain medications containing iron or bismuth subsalicylate (found in some antidiarrheal medications) can cause black stool.

4. Gastrointestinal conditions:

Certain gastrointestinal conditions like Crohn's disease, ulcerative colitis, or diverticulitis can cause black stool due to bleeding or changes in the digestive process.

If you are concerned about the color of your stool, it is recommended to consult a healthcare professional for a proper evaluation and diagnosis.

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