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.

Drinking plenty of fluids is essential to treating diarrhea and preventing dehydration. The BRAT diet includes bland foods, like bananas and toast, that help reduce diarrhea symptoms. Diarrhea that ...

Medically reviewed by Jay N. Yepuri, MD Key Takeaways Eat foods like bananas, rice, applesauce, and toast to help with diarrhea. Avoid dairy, fried foods, and raw vegetables because they can worsen ...