dd 3 having tests for colitis, chrons as she been bleeding from her bum lots but her poo all ways been yuk one minute water poos then constipated , but she is tub fed, anyway today she had some brown bread and butter at mil about two hours ago she don't usually eat come home and pooded full of mucas could it be the bread they have wounded if she celiac but as she don't eat enough they said to wait. am i barking up the wrong tree could it effect her this quick?