3 doctors weighed in:

If you have a stomach virus will it make your stool dark green or black?

3 doctors weighed in
Dr. Heidi Fowler
Psychiatry
2 doctors agree

In brief: Stool

Dark green can be due to rapid transit of feces through GI tract.
If stool is black, tarry & malodorous that could represent a GI bleed & would warrant prompt medical evaluation.

In brief: Stool

Dark green can be due to rapid transit of feces through GI tract.
If stool is black, tarry & malodorous that could represent a GI bleed & would warrant prompt medical evaluation.
Dr. Heidi Fowler
Dr. Heidi Fowler
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