Peanut Cap Rast is high!

Posted on: Fri, 02/02/2007 - 5:35am
anonymous's picture
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Joined: 05/28/2009 - 16:42

I am really sad my son had a cap rast of 1.2 6 months ago. Now it is coming back at a 19.1. So I went from hoping that he will outgrow his allergy to him having it lifelong. I know it could have happened at anytime but I am in shock right now. She said that it was a cap via or they use a up-john system. Does anyone know what this means? Any info would help. I have signed up to be in the study but there is a huge wait list! About 50 ppl. I know nothing changes and we do what we have to to keep him safe! Just really confused! Well I guess I can feel happy that he outgrew his egg.

Posted on: Fri, 02/02/2007 - 6:06am
PennMom's picture
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Joined: 08/01/2006 - 09:00

"Upjohn" (mentioned in last paragraph) makes Rast tests (sometimes Pharmacia and Upjohn is listed) and there is a test the Immunocap- maybe that's what she meant??? Here's one article -there are more if you search by "upjohn rast".
[url="http://www.isitallergy.com/Updates/Press-Release/pr07.html"]http://www.isitallergy.com/Updates/Press-Release/pr07.html[/url]

Posted on: Fri, 02/02/2007 - 10:00am
SallyL's picture
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Joined: 02/20/2006 - 09:00

I'm sorry to hear of the RAST jumping up.
I've never heard of any of those terms though...sorry.

Posted on: Fri, 02/02/2007 - 10:20am
mommamia8's picture
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Joined: 11/13/2005 - 09:00

Sorry to hear it. Your story is one of the few that sticks with me. I remember reading how the number dropped and was so low. I thought you would be one to come on here one day and say it was outgrown. Maybe it was a different test than the others you've had? Someone had posted about variations even within the same lab on the same sample. Maybe this one is erroneous?
I wanted to mention about the egg. In the other post I think you said you gave egg in baked goods? and no reaction. Keep in mind some people CAN tolerate this amount but not straight up eggs like scrambled/quiche/etc.
Again, sorry about the numbers.

Posted on: Fri, 02/02/2007 - 11:09am
alliedhealth's picture
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Joined: 06/10/2006 - 09:00

I think she may have said CAP-FEIA
[url="http://www.njc.org/news/y2002/food-challenge-why.aspx"]http://www.njc.org/news/y2002/food-challenge-why.aspx[/url]
CAP-FEIA (as by Pharmacia and Upjohn Diagnostics)
[url="http://www.allerg.qc.ca/peanutallergy.htm"]http://www.allerg.qc.ca/peanutallergy.htm[/url]
the above is a good reference on testing procedures as well
Sorry about the hard news.

Posted on: Fri, 02/02/2007 - 11:10am
anonymous's picture
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Joined: 05/28/2009 - 16:42

His SPT for eggs was negative. Do some children still react to egg after neg spt? The Dr said to give him whole eggs at home.
I am handling it better now. My husband finally got home from work so I have him to lean on. Plus, he poured me a glass of my favorite wine.
I just need to calm down and realize that it is a food allergy and as long as we moniitor what goes in it should be fine. I don't know why but I started worrying about parks, ball parks, public places... things I didn't think of before. I don't know why. I guess I feel guilty or something. But I am not going to stop going to those places he enjoys so much. The dr said he isn't more allergic now then he was and all along he could have gone into anaphylaxis. I do understand that. I was hopeful thinking.
Plus, my son has sensative skin and all day today I was like he's having a reaction if he got red cheeks. I am going back to my allergist here and request a test through LabCorp where he got the 1.2 before. I will wait so the trauma of being stuck so many times on Tuesday wears off.
Thanks for listening!

Posted on: Fri, 02/02/2007 - 11:15am
alliedhealth's picture
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Joined: 06/10/2006 - 09:00

You are at the right place (Duke)- I guess the balance is as I've heard it said " not living in fear, but a healthy respect for the allergy"- easier said than done as a parent though. A good support network such as medical staff at Duke/family and education makes it much more manageable when those concerns start to creep in. Take Care.

Posted on: Fri, 02/02/2007 - 12:19pm
mommamia8's picture
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Joined: 11/13/2005 - 09:00

From what I've learned on here and elsewhere: people feel most comfortable with a neg RAST and a neg SPT. Then a food challenge at a hospital. I don't want to worry you more than you are right now. I just wanted to throw this out there for you to consider.

Posted on: Fri, 02/02/2007 - 12:38pm
Carefulmom's picture
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Joined: 01/03/2002 - 09:00

Quote:Originally posted by mommamia8:
[b]Someone had posted about variations even within the same lab on the same sample. Maybe this one is erroneous?
[/b]
That was me.
[url="http://uumor.pair.com/nutalle2/peanutallergy/Forum1/HTML/008965.html"]http://uumor.pair.com/nutalle2/peanutallergy/Forum1/HTML/008965.html[/url]

Posted on: Sat, 02/03/2007 - 12:03pm
anonymous's picture
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Joined: 05/28/2009 - 16:42

The dr said based on history of never a reaction before finding out about egg allergy-meaning never reacted found out allergic through SPT. She has a suspicion that he was never allergic. He is eating cookies now with egg and we will try egg tomorrow and hope nothing happens. We will definetly have benadryl and epi pen ready. She said she was ok with it and for us to have him test at home. Oh now I am nervous! Will let you know how it goes!

Posted on: Sat, 02/03/2007 - 11:27pm
anonymous's picture
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Joined: 05/28/2009 - 16:42

Well, he won't eat the eggs, but no reaction from them in his mouth. He took a bite in his mouth swished it again and then he spit it out. He said: yucky taste. I don't like eggs. I guess we will continue to feed him products with eggs an as he gets older he will hopefully eat them. I have some neices and nephews that have never liked eggs either. My daughter all but cried when she saw eggs on her plate this morning. She took 2 bites and acted like she was gagging on them. We will try again another day!

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