This question already has an answer here:

I love onions, but as an IBS sufferer, I find that it is one of my trigger foods and gives me diarrhea. Is there anything that I can put in recipes as a substitute?

marked as duplicate by logophobe, rumtscho Oct 20 '15 at 14:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Browse other questions tagged or ask your own question.