Have you talked to a naturopath? I would think there would be several natural options that may help. I know when the kids were little unripe bananas were suggested, not totally green ones but more green than yellow.
I also seem to remember my mum saying stewed apples were really good too. It would pay to research anything well though, you never know if something is an old wive's tale or actually worthwhile trying.
Good luck... it must make life very difficult!