Over the past few months we have noticed Ben has developed hives after eating salmon. He has had salmon many times in his life, but only the last 3 times he has had a reaction, each exposure the hives have gotten worse.
The doctor took a history then the nurse did some skin prick testing.
Each allergen goes in a box, they scratch the skin and see the size of the reaction.
Box #1 is the positive control (which was 4mm)
Boxes 2-3 are dust mites and as they have big reactions he is allergic to dust mites
Box 10 is salmon. Also a big reaction, so he is defiantly allergic to salmon.
The doctor said that as he had a decent sized reaction, combined with his history of worsening symptoms on each exposure he must now have an epipen (adrenaline injection for anaphylactic reaction).
The doctor says that he doubts he will ever need the epipen, but best to be safe than sorry.
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