A member asked:

Blood in stool but suddenly turned red to dark blackish?

8 doctors weighed in across 3 answers

See a doctor: This needs to be evaluated by a physician to determine the cause of the blood loss.

Answered 7/26/2014

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Dr. Eric Kaplan answered

Specializes in Colon and Rectal Surgery

Blood bad in stool: Any amount of bleeding in stool, be it bright red, maroon or black demands prompt and thorough evaluation. Many of the causes will not just go away by themselves and may be life threatening and or life shortening. Go for immediate evaluation.

Answered 2/28/2019

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See your doctor asap: as blood in the stool is never normal Black blood usually means it is coming from the stomach and has changed color due stomach acid and enzymes affecting the blood. If a lot of blood or black or you are dizzy or weak go to ER.

Answered 8/4/2020

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