My daughter has that, but under control and feels so good! Buy the book "Breaking the Vicious Cycle" Intestinal Health through diet, by Elaine Gottschall
My daughter was given this book. She put it off for some years and her friend told her, "What!" You never read it 185 pg.! So, our daughter did and she is on top of the world!
This is for crown's, ulcerative colitis, diverticulitis, celiacs disease, cystic fibrosis and etc and includes the autism connection.
No sugar, no grains like rice. No flours just almond. READ this book to cleanse and understand how brain and stomach interact.