People can have both, but most commonly FI is misdiagnosed as IBS. If you just have FI, and not IBS, you'll just have to eliminate fructose from your diet and that should make you pretty much all better. Folks with IBS can have trouble with too much fructose (as fructose can cause GI problems for people who don't even have IBS, or a fructose intolerance - it is truly that hard to digest). But if fructose, and only fructose, triggers your symptoms, that points to FI and not IBS at all.
- Heather
-------------------- Heather is the Administrator of the IBS Message Boards. She is the author of Eating for IBS and The First Year: IBS, and the CEO of Heather's Tummy Care. Join her IBS Newsletter. Meet Heather on Facebook!
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Yep - fructose intolerance and IBS are two different things.
