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Nut allergy question

Forum: Food Allergies


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September 8th, 2011, 01:54 PM
tiredmom's Avatar Mega Super Mommy
Join Date: Mar 2010
Posts: 1,987
Hi there, I've been on JM for a while, but never visited the allergy board before. I came looking today to see if there are any other moms with nut allergy experience who might have some insight for me.

I have a 5 year old with a peanut and treenut allergy since he was <1 yo. He's only ever had hives and he gets them from both ingestion and topical exposure. They've always been fairly mild in the past and would get better after one dose of Benadryl.

However, yesterday he was potentially exposed to peanut butter at school. There was a girl sitting at the same table eating it, though they did not share food and she never touched him. This was at around 10:30 am yesterday. An hour later he developed his hives. Since then the hives have been persisting. They'll get much better after Benadryl, but then get worse about four hours later, requiring more Benadryl. It's now >24 hours after his possible exposure, and still happening. We saw his pediatrician this AM, but at that point, he had had some recent Benadryl and was doing much better, so the thought was that he would continue to do better; but now they are again coming back 4 hours later.

My question is, based on your past experiences with food allergies, how long does the reaction last? If he accidentally ingested nuts yesterday, do we have to wait until they work their way out of his intestines; or should we be thinking of something else that might be causing the hives and not the peanut butter from yesterday?
Iím Sarah (39), wife to Chris (40), mom to three boys (age 0, 3 and 5)
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September 8th, 2011, 06:42 PM
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Join Date: Jun 2007
Location: Knoxville,Tennessee
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Did you bathe him, scrub him, wash everything that was with him, etc? He could be getting re-exposed through something,the reaction could be getting worse (as repeated exposure to a known allergen can trigger that), or it could be a new allergy. Did you change shampoo, hand soap, laundry detergent, or fabric softener? Did you pack something in his lunch that was "processed with PN/TN"? (Unfortunately as long as they can prove that less than a certain amount of the protein has a chance of making it into the food it doesn't have to say it is processed in teh facility... :/ ) I hope something in here helped....

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September 8th, 2011, 10:43 PM
tiredmom's Avatar Mega Super Mommy
Join Date: Mar 2010
Posts: 1,987
^^^ Thanks. Yes we did all of that and he had no recent changes or processed foods. I heard back from his pediatrician who said it could take 2-3 days from the one nut exposure to see resolution in the hives. So hopefully he'll be better in a day or too.
Iím Sarah (39), wife to Chris (40), mom to three boys (age 0, 3 and 5)
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September 9th, 2011, 07:31 AM
Join Date: May 2010
Location: Missouri
Posts: 59
Hmm...with our one reaction (and it was anaphylaxis with throat closing and hives came later) the hives/symptoms were gone by the time we left the ER...so 6 hours later symptoms were pretty much gone...and fortunately didn't return. But they also told us to give him Benadryl every 6 hours until the next day as well...Hope they go away!
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October 1st, 2011, 11:43 AM
Join Date: Sep 2011
Location: Manhattan, Kansas
Posts: 66
wow, I am sorry you went through that! My now 6 yr old has the same allergy, he's had it since he was 11mnths old. Thus why he is homeschooled thru a virtual school. Hope this doesn't happen again at his school.
Amanda A. Kesterson

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