Testing younger siblings with no exposure?

Posted on: Tue, 02/28/2006 - 2:22pm
becca's picture
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Joined: 05/22/2001 - 09:00

Will it show a PA?

Have you done it and what were the results?

What do they eat in preschool situations?

I am trying to figure out if I can let ds just have *whatever* in preschool(it is a nut free school), but we are avoiding peanuts/tree nuts until age five. I feel suspicious of sensetivity due to ? contact/airborne eye reactions at our farmstand with lots of birdseed/nuts at registers. The checkout clerks(moms) have twice asked if he is okay. So it is not my imagination. He gets an itchy eye at times(my dd's most pronounced reaction at that age).

I guess if that has triggered something, he would test positive, right? I am thinking of having him tested, but really doubting the results if he were negative at just 2.9. I have enrolled him in preschool and am wanting an epipen for him. Have any of you had epi prescriptions for younger siblings at school "just in case?" The preschool would be very cool with that, but not sure our docs would.

I had raised an old thread, but it did not get any response, so starting this. becca

[This message has been edited by becca (edited March 01, 2006).]

Posted on: Tue, 02/28/2006 - 2:31pm
kandomom's picture
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PA/TNA DD is almost 10. We treat her younger sister the same. Last year sister (4yrs) had a RAST that tested just for peanuts and it was negative. However, Dr. said this could be because she has not been exposed and therefore has not had the opportunity to form the antigens. However, I was glad to hear the test was negative and we still avoid peanuts and tree nuts. She is now 5 and will start kindergarten this fall. This summer I will take her for further testing- so if she is allergic then she will have the epipen for school etc. And if she isn't then I don't have that to worry about w/ her. I will also have my older DD tested, since she was tested at 6 and will be 10 soon.

Posted on: Tue, 02/28/2006 - 2:41pm
becca's picture
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Joined: 05/22/2001 - 09:00

But if she has never been exposed, as before with her test, what makes you secure now, if her test is neg. again? Just wondering. I am worried he will test neg. due to lack of exposure, but could react, and not have epipens at school. becca

Posted on: Tue, 02/28/2006 - 3:11pm
kandomom's picture
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For the test this summer- if the blood work is negative I'll request a SPT. If that is negative then I'll request a challenge in the office. She had an accidental minor exposure to peanut butter in icing on a birthday party cupcake when she was about 18mths. She just had a small taste- if anything at all- before I took it away and she was fine. She has been around peanut butter and has eaten some nuts successfully. She already tells people she's allergic to peanuts. I would just like to know for sure.

Posted on: Tue, 02/28/2006 - 3:15pm
Corvallis Mom's picture
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Joined: 05/22/2001 - 09:00

I can't say for sure w/r to PA specifically, but I do know what our experience was with TN. All the initial TN tests (RAST and SPT) were negative. So our allergist told us it was fine. We argued this point by pointing out that she had been diagnosed as PA via anaphylaxis so young that she really COULD be totally unexposed to TN. He didn't think we could have avoided trace exposure that successfully. So we gave her filberts very very cautiously. She liked them and ate them fairly sparingly over a period of about six months. We then gave her a few almonds to try. She ate about two at a time over a period of four or five days when we noticed eczema flaring after she ate them. Duly noted. Filberts around the same time resulted in a few hives on her back. Also duly noted. We tried these nuts only because we knew we had a safe uncontaminated source of them (living here in filbert-ville).
Retesting showed she is now (drum roll please) ALLERGIC to them both.
So my advice is that if your child tests negative, insist upon a challenge, and then retest to make sure.
Allergist listened to us when we wanted a test for pistachio. Thank goodness. That was the skin test that got used for show and tell. The sensitiztion was only having a nut shell in her mouth at about 9-10 months old. (shudder)
So if anyone tells you that you can't possibly have really prevented all exposure, DON'T LISTEN if you know you have been that careful.
[img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

Posted on: Tue, 02/28/2006 - 9:48pm
becca's picture
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Joined: 05/22/2001 - 09:00

Hmmm. We have been a nut-free home and dealing with dd's PA for 5 years. So, we have been that careful with him, as he is only 2!
I had the worst dream that he had an anaphylactic reaction, just before I woke today! It was weird because I had been given unsafe chocolate with nuts in it(in the dream) and it was in one of those bags that opened poorly, and it kept ripping a bit more as I scrambled to pick up pieces of the candy before ds did! On and on. I finally get it all cleaned up, and he wanders out of my closet with a PB cup! I do not have those in my closet, IRL, before you think I am a closet eater! Anyway, he has nibbled just edges off the chocolate and I am trying to get it away from him, and he is dodging me. I get it. Watch him, scrambling to clean him up. He gets horse. Dh is in bathroom, just going in to shower. I am alone to run *downstairs for epi*, and I only have expired Jrs. I have kept around for just such an emergency. He is limp in my arms. I could cry tying this(or throw up). Then, it is a dream, so I actually seem to have given him 1/2 of an adult epi(maybe all I could grab quickly enough). He is still for the longest time. Then cracks a smile at me, and says his tummy hurst!
How vivid is that??? I have never had such a dream for dd, my known allergic child. I think I fear the unknown more than what I do know. becca

Posted on: Tue, 02/28/2006 - 9:54pm
samirosenjacken's picture
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Joined: 09/30/2002 - 09:00

I've asked Dr. Wood this question a million times. I am so worried about my 2 younger boys since the 2 older girls are so allergic. Basically, he said everyone gets some form of exposure.. breast milk, airborne, cross contamination. He recommends waiting till they are closer to age 4 before testing. He told me if they test negative with no symptoms to say otherwise I should feel comfortable they are negative. Jackson has tested negative twice to peanuts and nuts. He's never eaten one but just recently I've let him have something with a warning label of "may contain." He was totally fine. The preschool still doesn't give him anything and when I registered him for kindergarten I told them I didn't want them to give him anything with peanuts or nuts either.. a dietary restriction as opposed to an allergy. I'd prefer he not have anything he can bring into the house and contaminate.
I will let both boys eat birthday cakes and stuff from a bakery which I won't with the girls. SO I feel they are getting some form of exposure and I trust the tests to be accurate.

Posted on: Tue, 02/28/2006 - 10:57pm
momma2boys's picture
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Joined: 03/14/2003 - 09:00

becca, don't you hate those dreams that scare you half to death. The worst part is they linger and make you feel uneasy afterwards too.
Did you nurse your son? If so did you eat any may contains while doing so or while pregnant?
My son was tested at about 16 or 17 months and had a 4+ skin test. He had no known exposure. The only exposure must have been while I was pregnant or nursing.
I think it is worth taking him to the allergist, getting him tested and telling them of your fears.
Good luck.

Posted on: Tue, 02/28/2006 - 11:16pm
becca's picture
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Joined: 05/22/2001 - 09:00

I definately might have eaten may contains, but no known nuts. I did also get a walnut in an ice cream from a stand, while pregnant. Just for anyone who considers risking hard scoop ice cream! So, I suppose there is a chance there has been some mild trace exposure. And, with the itchy eye thing at the farmstand, it might be a contact exposure. If it is enough to make his eye itch and a bit puffy, then it would test, even if low. I also wondered of he got a similar contact eye irritation at a friend's house(where dd has always been fine). I know he, they, consume alot of nuts. She has warned me and watches dd very closely, changes her son's clothes sometimes, in order to play with dd.
So, I guess I have enough suspicion for testing. Part of it is I want ds to have a perfectly regular preschool experience if it is safe for him to do so! It is a peanut and nut free school, but the risk is in birthday and party stuff, unknown may contain type foods. They do not entirely get that there.
He has a perpetual dry rashy deal around his mouth and even now has a funny spot under one eye after chowing Thomas bagels for two days. I actually question sesame, which can require more vigilance, with crackers, bread... alot of mystery spots and mild skin dots here and there.
I guess I have enough to go for testing. Maybe even just a first pass on bloodwork with the ped. He is great and we can pop in anytime. I wait months for the allergist. Plus, I do not really want spt at this time, so the ped can do the bloodwork anyway. Ds would never cooperate sitting for 15-20 mins with serums on his forearms! I can't ever imagine him siiting still that long anyway! Thanks for all the input.
I really want to know, but I don't, and I am sure you all understand what I mean!
I will call the allergist for advice too. Maybe he will recommend what to check before knowing if he needs to see ds. It is all on my mind because I will have to schedule dd's annual allergist appt. soon, and decicing if we should just bring both children. becca
[This message has been edited by becca (edited March 01, 2006).]

Posted on: Tue, 02/28/2006 - 11:47pm
SpudBerry's picture
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Joined: 07/23/2002 - 09:00

In our case the other sibling is a twin instead of younger. But we ran the RAST last year, and it did show up as negative. Like the rest of you, we had never allowed him to eat peanuts, so we are not 100% convinced. So we now allow him to eat "may contains" occasionally. But we are going to give him a scratch test & a food challenge this coming summer when we do our yearly allergist visit for the PA son. This was recommended by the allergist, and we gladly agreed.
So far, both sons have always been in the same class room - both pre-school and now kindergarten, and I have told the teachers the situation, and for them not to hesitate to give the non-PA son the Epi if he seemed to be reacting to anything.
------------------
Sherlyn
Mom to 6 year old twins Ben & Mike - one PA & the other not.
Stay Informed And Peanut Free!

Posted on: Wed, 03/01/2006 - 1:13am
momma2boys's picture
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Joined: 03/14/2003 - 09:00

becca, as far as what to test for, my allergist recommended at such a young age that they test for egg, wheat, milk, and peanut. I would also add in sesame since you have suspicions. I have to get that one done for my son as well.

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