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Date: | Sun, 10 Mar 2002 05:32:45 -0500 |
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<<Disclaimer: Verify this information before applying it to your situation.>>
Hello,
I recently posted a general food allergy question thread. I am
summarizing responses, and have found many of them very helpful.
I have a question now about blood testing accuracy and usefulness for
food allergies.
Have you found them useful/accurate? Is there a high rate of false
positives or negatives? Do I have to be eating the food at the time of the
test to get a reaction..that is, as with the Celiac blood test, one needs
to have a certain amount ciculating to get a positive reading. Or does
this not matter with most other allergies?
I would consider them perhaps more a tool, going by the reaction of
ingested foods, but wonder if getting one done might help pinpoint some
things to keep a watch out for (since I seem to have delayed reactions).
My allergist seemed to think blood tests and skin tests are a waste of
money for food allergies. Skin tests I understand, but I would like
another opinon about how blood tests can be used.
Additionally, I have read that results for ELISA and RAST are pretty much
similar--do you, in your experience, find this to be true?
Thanks,
Saskia
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