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Black excrement is mostly as a result of intake of therapeutic drugs especially antibiotics. It does not occur in all cases and in some situations could be in addition to an individuals diet.

Also, can be a sign of excess Iron. An effect from different medications or diet changes. Care should be taken to note darken coloration, or coagulated portions of the poo? Which could be old blood from further in the body after digestion and passage of waste. Fresh blood would be red from a wound closer to exit point.

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14y ago

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