Eli5: why are high fiber foods advised to avoid for children with diarrhea? Wouldn’t fiber be exactly what you need?!

Question

The title says it all.

In: 13

Answer 1

Fiber makes for looser poop. I thought the same as you for awhile, fiber would bind it and firm the poop, but no. Fiber will give you diarrhea.

Now why when I did prep for a colonoscopy was I told to avoid fiber? I thought it would help clean me out.