Yellow poop or yellow diarrhea can have many causes, and though it's often harmless, it can indicate a more serious health issue. Experts explain how to tell why your poop is yellow and when to see a ...

One case report detailed a 93-year-old woman who reported lime-green stool after consuming a hamburger bun dyed black using yellow, blue, and red food dye. It's unclear how exactly food dye ...

Green poop is okay sometimes ... Celiac disease is a malabsorption disease often the culprit behind yellow stool. Black poop is another color no one wants to see. However, your stool can be ...