Hi there, my daughter is 18 months old and is holding in her poo. It goes on for days with her straining, its awful to watch and we don't know what to do. We give her as high a fibre diet as we can, lactulose, plenty water etc but its not getting any better. It seems to be something in her head, maybe she's scared of the feeling? Anyway wondered if anyone else had experienced anything similar and had any advice.