We're not really sure what causes IBS. There are some theories. It may be that it's at the level of the gut, so a spastic colon, or maybe the nerves to the gut are hypersensitive. It may be that ...

Irritable bowel syndrome (IBS) in children, formerly called spastic or nervous colon, is a functional gastrointestinal (GI) disorder. This means it results from issues in the way the gut and the ...