Food allergy question

If you think that you have food allergies, it's best to be seen by an allergist to help you pinpoint the cause. You can even keep a food diary and see if you can find the culprit yourself. If you can link one or two foods that you eat constantly to when you get the itchy rash then that's a start. The rash itself can be from a food allergy too.

Delayed food allergies can still be detected thru tests. Allergy tests are not 100% accurate but once you are allergic to something, you will always have a reaction to that allergen to some degree (sometimes your body can develop antibodies (?) against an allergen but that is not too frequent) - unless you are on allergy meds then it might not show anything.