If his only symptoms are reflux and ear infections, and there are no other signs like hives, wheezing, facial swelling, lethargy, vomiting, excessive drooling/runny nose within two hours of eating, then chances are allergy testing won't show you anything. In fact, even if you have the classic food allergy symptoms, the testing may still be negative (or there may be false positivrs). In office testing only supports what you're seeing instead of verifying. Anyways, just thought you might want to know this before going to your doctor. You should probably still go, but hopefully the elimination works AND it's something he grows out of. Good luck!