Diarrhea during fasting is uncommon because a person will not consume any food during this time. However, if someone does have diarrhea, they may choose to stop their fast or speak with a doctor.

Yellow poop or yellow diarrhea can have many causes, and though it's often harmless, it can indicate a more serious health ...

Problems with your pancreas, liver, or gallbladder can cause yellow poop. Yellow poop is normal in infants. If you have fat malabsorption, you may develop fat-soluble vitamin deficiencies, iron ...