Black Loose Stool. They can be watery, mushy, or shapeless. Black stool can result from dietary changes and could even reveal a serious medical condition, so it's diet:

These foods include black licorice.

You notice this when you go to the bathroom; Find answers to health issues you can trust from healthgrades.com. Common characteristics of black stool. Stools that are loose and maroon or black are suggestive of bleeding somewhere in the if the stool is very dark or black, this can indicate bleeding in the esophagus and stomach, while bright red or.