Fyi, going up to up 15 times a day is quite usual with bad IBS-d. That was what I was like before this diet!
Are you actually on Heather's diet? Cos loads of things in a "normal" bland diet (like milk!) are actually IBS triggers.
Has your doctor not suggested Immodium? This really helped me to stabilise - and to get on with life while I did. Sounds like you could also do with rehydration sachets and proably a protein powder to help you put some weight back on! But stabilising is the first and most imortant thing.
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Re: NAUSEA & DIARRHEA X 3 MTHS & G.I. DOC DOESN'T KNOW
That was what I was like before this diet! 
