Negative RAST Poll

Posted on: Sun, 04/13/2003 - 2:50am
anonymous's picture
Joined: 05/28/2009 - 16:42

Hi everyone,
I'm not sure if this subject has been posted before...not quite sure yet how to search. I was wondering...from reading other posts on RAST testing in general how many PA children have tested negative on their RAST test, yet still were diagnosed with the allergy. My ds Logan tested negative (on RAST)...but has the allergy. I was just curious...I promise after this post I will let it go (the RAST just keeps a part of me in denial about his PA)
One other quick comment...When we first offered Logan PB, before we knew he had the allergy....I remember thinking at the time, that he really didn't like the PB at all, we actually had half a slice of toast for him and he wouldn't even take a complete bite....I wonder if they somehow know, even at young ages ( he was 18ths) that something feels funny, and they shouldn't eat it. I'm convinced that they do.
Thats all for now...bear with my silly question and comments for a little while please, I'm just trying to find my place in this whole PA thing.

Posted on: Sun, 04/13/2003 - 11:59am
Anonymous's picture
Anonymous (not verified)

My son also instinctively knew not to eat pb from a very young age. We always thought he was picky, and I stupidly tried MAKING him eat it, so he would realize he liked it. For example, I would make a jelly sandwich and put the tiniest dab (about a quarter of a dime size). I would give him a candy bar or cracker. Now I know that he always reacted with coughing, gagging, and drooling.
Back to your original question. He tested negative via a CAP RAST and reacted to the food challenge. He then experienced another reaction two months later.

Posted on: Sun, 04/13/2003 - 10:34pm
caryn's picture
Joined: 11/20/2002 - 09:00

My 2 1/2 year old son tested 4 + on a skin test - negative on a rast test and then another 4+ on a skin test - we have not done a food challenge. I understand how it can really confuse you.

Posted on: Sun, 04/13/2003 - 11:09pm
Jeannine's picture
Joined: 12/31/2002 - 09:00

I agree that it can be confusing. My DD tested positive on the RAST and negative on the skin test. This is a bit unusual because of her ezcema you would think she would have a big reaction on the skin test. We take all precautions. PA is scary but thanks to this site I've come to realize that she can still have a "normal" life.

Posted on: Mon, 04/14/2003 - 6:01am
jeancbpugh's picture
Joined: 03/17/2001 - 09:00

My son had a negative RAST test and a positive skin test.
mom to 3-year-old with PA

Posted on: Mon, 04/14/2003 - 2:29pm
katjam's picture
Joined: 03/29/2003 - 09:00

My ds was a 3 on the skin test, but a 6 on the RAST. He had a moderate first reaction (at 2 1/2 yrs) to a cashew cooked in peanut oil. His only other known exposure was to a chocolate chip cookie made with peanut butter. In the first reaction, he first said "mmm" to the taste, and then spat it out like it was on fire. He hived up all over. With the cookie, he developed redness around the mouth. Both were treated successfully with Benadryl. Talk about denial - the RAST results are so high, but it still hardly feels real, after all these (three) years. I'd love to see those numbers go down, but I realize it isn't likely. At least with these numbers it makes my 504 case to the school a little easier to make. I guess that's the bright side? Take care!

Posted on: Mon, 04/14/2003 - 2:42pm
maggie0303's picture
Joined: 04/14/2003 - 09:00

My daughter has pn allergy and has always had a very strong sense to stay away from it, well before she was diagnosed. She is able to tell if there is the smallest amount of peanuts in something by smelling it. It must be natures way of protecting themselves. Now that she is older I just have to remind her to listen to herself and trust her instinct. We have been very fortunate with this.

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