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Need info how truly accurate allergy tests are
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roxalot619 posted:
A couple weeks ago I had a full blown anaphylactic reaction to eating almonds. The almonds were pure, raw, organic, not mixed with anything else, and not near any thing else. Had an allergy test done (blood test) which tested for 50 +/- food and airborne allergies. Test results came back with me NOT allergic to tree nuts (aka almonds) but says I AM allergic to peanuts. I've eaten peanuts almost daily for the past 46 years and never had a reaction (including since I had the reaction to almonds - by the way I did not eat any peanuts on the day I had the reaction to the almonds).


So how accurate are these tests really? Are there more accurate tests than the one this doctor gave me? Could I be allergic to almonds one day and then not the next?


Would really like some info. I'm very confused about what to eat and what not to eat now.
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mrswhitecastle responded:
Did you see an allergist or primary care doctor? I would recommend seeing an allergist, if you haven't already.

Something similar happened to my daughter. She had an anaphylactic reaction to cashews. That week, our pediatrician ordered the blood test, and she showed up as negative. Thank goodness I decided to see a specialist, just for some peace of mind. The allergist performed a skin test, and she is indeed allergic to cashews.

I asked the allergist why the blood test would come up negative. She told me that sometimes, when such a severe reaction occurs, it can skew the blood test results. Therefore, her recommendation is to wait a certain amount of time after the severe reaction to perform the blood test, or do the skin test. My allergist prefers the skin test results over blood test results, but I think different allergists have different opinions on that.


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