If not an allergy, what is it?

It's been several years on our food allergy journey, and it is still evolving.  I suspect my son has some type of intolerance, and I plan to figure this out.  I want to thank all the people I have met on Twitter, especially Freedible, for being the guiding light down the path of raising awareness.  Here's what happened at yesterday's allergist visit: http://wp.me/p5Xjxg-4T