It seems like IBS symptoms are a lot like a bacterial infection symptoms?

Great question, ! There can be some similarities between IBS symptoms and bacterial infections. There's one type of bacterial infection called c. diff has been shown to have similar symptoms to IBS. We have more information about that here: https://irritablebowelsyndrome.net/clinical/ibs-c-diff/. Hope this information helps! - Chris, IrritableBowelSyndrome.net Team