blood levels

Posted on: Wed, 08/08/2007 - 5:31am
pinkysmom's picture
Joined: 05/11/2007 - 09:00

so my dd's peanut RAST levels were 4.4 out of 100. Dr. said she has a chance to outgrow. Anyone been here and have luck with this. I assume she could have a severe reaction even with such low numbers.

Posted on: Wed, 08/08/2007 - 6:54am
lj's picture
Joined: 01/26/2006 - 09:00

My son's Cap Rast recently came back a 2.03. The dr did not mention outgrowing. We had him skin tested again and his wheal came back quite large. This eliminates the possibility of a food challenge. We will have his blood checked in another few years.
I would ask your dr to skin test him. That may give you some insight.

Posted on: Wed, 08/08/2007 - 6:55am
chanda4's picture
Joined: 12/14/2006 - 09:00

a 4.4 will have nothing to do with *how* your child will react. It could be hives, or it could be full blown anaphylaxis. Do keep a record of the caprast number and see if over the next couple years, it doesn't continue to come *down*....but until you see a negative(under .35) I would continue to be VERY careful! Good luck
edit...a 4.4 would still be considered high, a *class 3*(out of 6)....just to give you an idea. my son's egg is a class 3 and he's had anaphylaxis from raw egg, very scary! HUGS
Chanda(mother of 4)
Sidney-8 1/2(beef and chocolate, grasses, molds, weeds, guinea pig, hamster & asthma)
Jake-6 1/2(peanut, all tree nuts, seasame seeds, (avoiding all seeds, legumes &coconut)eggs, trees, grasses, weeds, molds, cats, dogs, guinea pig & eczema & asthma)
Carson-4 (milk, tree nuts(avoiding peanuts and seeds)soy, egg, beef and pork, cats, dog, guinea pig, hamster, grass, mold, dust mite and EE)
Savannah-1 1/2 (milk, beef and egg, dog(avoiding peanuts, tree nuts, strawberries, sesame seeds, legumes and corn)
[This message has been edited by chanda4 (edited August 08, 2007).]

Posted on: Wed, 08/08/2007 - 8:00am
PinkPoodle's picture
Joined: 06/12/2007 - 09:00

My DD's initial peanut CAP/RAST was around where your son's is (I don't have the labs in front of me, but I think it was around 4??). This was a month after her 1st direct ingestion of peanut (peanut butter crossed her lips) and an anaphylactic reaction. We knew it was serious, regardless of the #, because she already had a reaction. She was about 15 months when she had her initial she is 6 and her CAP/RAST is >100 (Class 6). Each time she had blood work (roughly once a year)--the #s increased.
I'm not sure how old your son is, but there is definitely hope of him outgrowing (roughly 20% do). My DD had a slimmer chance due to her reaction history, other food allergies (egg, tree nuts, etc). If peanut is your son's only allergy, then I'd think outgrowing is a possibility.
Good luck!

Posted on: Wed, 08/08/2007 - 8:52am
mistey's picture
Joined: 01/18/2004 - 09:00

My son's RAST was lower than that and he still had an ana reaction.

Posted on: Thu, 08/09/2007 - 4:00am
mom2boys1975's picture
Joined: 07/19/2007 - 09:00

My son's RAST was 0.82 and he had an ana reaction. No throat closing, but the lips, eyes tongue all swelled and hives all over.

Posted on: Thu, 08/09/2007 - 4:57am
hollya's picture
Joined: 05/10/2007 - 09:00

I am glad to hear you ask this question. I wondered the same thing, however after the more experienced & knowledgeable parents (thanks again so much) explained to me it doesn't really matter what number they are. I can not remember my son's number, but he is almost 2 and a class 3. I would love to see if his number has changed, but the doctor said they won't test him again for a few more years.

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