PA & soy??

Posted on: Fri, 04/20/2007 - 11:46pm
ilismama's picture
Joined: 02/06/2007 - 09:00

Seeing as i'm fairly new to this forum this topic may have already been addressed, but it's news to me! i am signed up to receive info & emails from & received one this morning about the fact that soy can induce anaphylactic reactions in children w/PA. Has anyone else heard about this link or dealt with it first hand. Here i was thinking soy was safe for my daughter in particular but i guess that may not be the case.

Posted on: Sat, 04/21/2007 - 12:23am
Hnonut's picture
Joined: 01/21/2007 - 09:00

That's a very good question, and as a newbie I was wondering about that myself. I spent an entire year eating soy products without incident, and then read about this possibility.
Does anyone know the situation with this? If I've eaten it safely for so long, is there a chance that I could have a serious reaction to it?
Any and all help would be appreciated!

Posted on: Sat, 04/21/2007 - 12:59am
Corvallis Mom's picture
Joined: 05/22/2001 - 09:00

As far as I know, soy isn't actually at the top of the list of 'cross-reactive' culprits with PN. Lupine and peas seem to be.
BUT-- among kids with MFA, soy and PN isn't at all unusual.
Soy allergy is quite common in its own right, as well, so I could see avoiding it if you have a family history of the allergy OR if you seem to be prone to sensitizing to new things.
Ask your allergist what he/she thinks your risk is from eating soy.

Posted on: Sat, 04/21/2007 - 6:13am
cam's picture
Joined: 11/16/2006 - 09:00

A summary of research:
Also just wanted to add that for whatever it's worth, my son's allergist said he probably should continue eating soy on a regular basis since he is tolerating it well (we eat it regularly because I am a vegetarian--rest of family is not, but we all eat a moderate amount of soy).
[This message has been edited by cam (edited April 21, 2007).]

Posted on: Mon, 04/23/2007 - 6:02am
4 my girl's picture
Joined: 11/02/2001 - 09:00

My 9 year-old is severely PA and had been eating processed foods with soy forever, until this year when she had a major bout of hives lasting three days. We tracked the problem to a new cereal in which the corn used "may contain traces of soy". She then skin tested positive to soy (despite testing negative 2 years prior) so we did 60 days of soy avoidance, folowed by a food challenge. She bombed the food challenge at the contact to the lips level, swelling enough to look like we beat her. Her Allergist was poised with epi, but we got out of it with Benadryl and oral steroids. So we can say without a doubt that you CAN develop a soy allergy and it can quickly become significant. (Although we still tried to be in denial, an accidental ingestion in soup shortly after caused her lips and eyes to swell and blisters develop in her mouth. We are more careful now!)

Posted on: Mon, 04/23/2007 - 9:36am
sillyfeline's picture
Joined: 03/28/2001 - 09:00

I developed a soy allergy five years after developing a peanut allergy. The soy reactions are more severe than the peanut.

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