Skin tests

Posted on: Tue, 09/26/2006 - 4:02am
FridayMom's picture
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Joined: 09/22/2006 - 09:00

Hi,
When my dd was skin tested for a PA I saw the doctor write down 3+ for peanut but we were in the midst of discussing something else and I forgot to ask what the number means. I know that allergic means allergic, and we will avoid peanuts no matter what, but I'm curious, why the number ranking? Also, is there a benefit to getting a blood test as well?
Thanks!

Posted on: Tue, 09/26/2006 - 5:26am
jtolpin's picture
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Joined: 05/28/2003 - 09:00

SPT goes from 1-4, kinda like RAST goes from .35 to >100
The higher the score, the more likely a reaction (not entirely true though).
Both tests have false positives or false negatives... Find a test thats good for you, and stick with it yearly...
I like RAST, because there is no immediate reaction (like wheals on the back) and no fear of 'reactions'. Its just a 'blood draw'.
HTH
Jason
------------------
[b]* Obsessed * [/b]

Posted on: Tue, 09/26/2006 - 5:26am
jtolpin's picture
Offline
Joined: 05/28/2003 - 09:00

SPT goes from 1-4, kinda like RAST goes from .35 to >100
The higher the score, the more likely a reaction (not entirely true though).
Both tests have false positives or false negatives... Find a test thats good for you, and stick with it yearly...
I like RAST, because there is no immediate reaction (like wheals on the back) and no fear of 'reactions'. Its just a 'blood draw'.
HTH
Jason
------------------
[b]* Obsessed * [/b]

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