Why Is My Poop Black? 7 Causes of Black Stool

5. Cancer


In rare cases, black stool may be a sign of cancer, such as stomach or colon cancer. Cancer may cause bleeding, leading to the black color of the stool.

It is essential to understand that black stool does not always indicate a severe condition. However, if you experience any of the following symptoms along with black stool, you should seek immediate medical attention:

Written by Cassandra Williams

Cassandra Williams is a Senior Editing Manager at A2ZHealthy