Irritable Bowel Syndrome Message Boards

Glad to hear things are working out for you.

The only way you can have fructose symptoms would be if you ate some high excess fructose food. However, fructose symptoms are indistinguishable from other IBS symptoms. If you didn't eat any high excess fructose foods then you are experiencing IBS symptoms which are caused from something else.

Fructose does not sit around undigested in the intestine. In fact, because it is a simple sugar as soon as it gets to the colon the bacteria there treat it like fast food and very quickly ferment it producing by-products and gases. The by-products and gases cause the symptoms from fructose reaching the colon. However, if you ate something with a lot of excess fructose then it can act like an osmotic laxative just like Miralax drawing water into the small and large intestine.

I hope this helps

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STABLE: ♂, IBS-D 50+ years - Science of IBS

The FODMAP Approach to Managing IBS Symptoms
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