Phoned surgery today. They do refer patients for intolerance testing, so made appointment for Wednesday morning, with new GP at surgery. I really do need to get to bottom of this once & for all. Dairy I know is a big no-no, but the egg one one has me flummoxed & thinking it might be something else, as was OK with egg but not mayonaise. My stomach gurgled like nobody's business for hours yesterday. Then boom running for loo. No pain, just sudden need to go. Ended up taking immodium as I needed to go out. Years ago I was told it was IBS, but it doesn't behave like IBS. I know folk with IBS & they are in lots of pain soon after eating the offending item. I, on the other hand, am fine, then couple of days later it hits me.