Database Record Comment
I've had things I knew I was allergic come up negative on blood tests but positive on skin prick tests and obviously positive when exposed to the allergen. From what I understand there is a difference in allergic responses that isn't always picked up on blood tests, and also that sometimes an allergen has more allergenic components in it than what is looked for on a specific ige blood test but that do often pick up on the skin prick test. I have also heard some allergic reactions are more...