Does anyone know if Soy and Peanuts are related?

Posted on: Wed, 03/24/2004 - 2:01am
NutlessMOM's picture
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Joined: 09/17/2003 - 09:00

My 8 year old DS is severely allergic to peanuts (even to touch). He has been breaking out in hives what seems like everynight for the last month. Recently, he took a sip of Sugar-Free Vanilla Soy Milk. Within a minute of consumption, he started complaining of a sore throat and he started coughing (it sounded like his asthma cough). I gave him some Benadryl and everthing seemed to get better. He goes to the allergist in April for his check-up. I am thinking about having him checked for soy allergy. He has never been tested for food allergies except Peanut. He gets shots weekly for enviromental allergies. The allergist told me that when people are allergic to Peanuts that sometimes that are allergic to tree nuts. This reaction was frightening and now I am wondering if all the hives are caused from him eating soy. Soy seems to be in everything. Just wondering if anyone else has had this happened to them also.

Thanks! :0)

Posted on: Wed, 03/24/2004 - 2:36am
Anonymous's picture
Anonymous (not verified)

Nutless Mom, welcome! [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]
I'll try to find the thread with the answer I received from Anaphylaxis Canada about my son's *mystery* (in their eye's, not mine) reactions. It had to do with soy and how a lot of PA children are developing an allergy to soy.
I personally am still confused because some soy is okay to eat and some isn't and I'm not clear about that, but only because I don't have to be at this point. My son is not allergic to soy. The *mystery* reactions Anaphylaxis Canada was trying to figure out were, in fact, PA reactions.
Let me see if I can find the thread and any others that may be related, but yes, apparently soy allergies are on the rise (as I guess all food allergies are) and our PA children seem to be at higher risk.
I do know one member, not posting anymore, whose PA/TNA child has recently (within the last year or so) developed a soy allergy.
Hope this helps. Hope I can find the threads to help you out some more and that you won't be offended at me re-raising.
Best wishes! [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]
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Posted on: Wed, 03/24/2004 - 2:39am
Anonymous's picture
Anonymous (not verified)

Nutless Mom, I found the soy information under Main Discussion and re-raised it hoping it may be of some help. The title of the thread (since even after 4 years I don't know how to do a link to the thread) is:-
How Anaphylaxis Canada Currently Gets Stats Re PA/Anaphylaxis
It's not a clear title if you're looking for soy specific information.
Best wishes! [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]
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Posted on: Wed, 03/24/2004 - 10:34am
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Joined: 05/11/2004 - 09:00

Hi,
My son is PA, soy and most recently TNA. When we discovered the soy allergy, which was mild-moderate, we were told by the allergist to stay away from soy, though soy oil and lecithin were OK. He said the reason for avoiding soy was because soy protein and peanut protein are very, very similar in their make-up.
Not a very clinical explanation, but that's what I was told.

Posted on: Thu, 03/25/2004 - 12:18pm
Shaylynsmom's picture
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Joined: 01/17/2004 - 09:00

Nutlessmom,
Peanuts are part of the legume(bean)family. Soy is derived from soybeans which are part of the legume family.
Here is a wacky story of ours as to the strange occurance of allergies.
My dd who was diagnosed with PA/TNA in January, had never had problems with soy except the first time we gave her soy formula and she vomited severly for several hours. She has always eaten foods that contain soy in some way and never had a reaction. In February we bought SoyNut Butter and gave her some to eat with crackers. She spent the entire night about 5 hours vomiting.
So, in March we went back to the allergist, told them the story about the SoyNut butter and they did skin tests for all legumes(beans) and also all peas. Guess what, she rated between a 2-3 for all beans and a strong 3 on peas! Doctor told us to just avoid those foods. I asked about the soy thing, explaining to the doctor that she has eaten foods with soy in them, such as hydrolyzed soy protein, soy lectien, etc. and never had problems, do we now need to avoid all these also?
Her response was this: If she can and has tolerated these items in foods, then do not avoid them now, unless she shows signs of allergy. She explained that it may be the fact that soynut butter, like soy formula is the raw form of soybean and has not been broken down enough and she can not tolerate it at that extreme. Where as the hydrolyzed soy protein and others have been processed enough to break down the protien so she tolerates it better. I found this confusing, but so far it works and we will keep it up.
I hope this helps to kind of explain how peanut and soy are related and how crazy the soy allergy can be sometimes.
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Alicia, mom to:
Edward-21 years-EA,dog, cat,sulfa drugs
Cody-8 years- EA,dog,cat,mosquito
Shaylyn-4 years-PA/TNA,all legumes,peas,dog,cat,Amoxicillian,Zithromax,Asthma

Posted on: Thu, 03/25/2004 - 2:27pm
NutlessMOM's picture
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Joined: 09/17/2003 - 09:00

THANKS Alternative, KateB and Alicia. Ya'll definitely gave me something to think about. [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

Posted on: Wed, 03/31/2004 - 5:40am
Francine7's picture
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Joined: 12/30/2002 - 09:00

Hi!
My 2 3/4 yo son is also PA (anaphylaxis) and soy allergic. He was DX'd at around 12 mos after a bad reaction from eating a PB cracker at daycare (blood test for PA, skin test for soy). As the above poster said, my allergist told me that PN and soy are both legumes and he told me to avoid all beans and peas as well. My son tested neg for TNA, but I avoid them as well. I try to avoid all forms of soy (lecithin, oil, etc) but it's SO hard! You can't find a loaf of bread that doesn't have soybean oil! Supposedly the lecithin and oil are okay b/c they don't contain the actual protein. But, my son has eczema that comes and goes on his face so I know he's still reacting to something. Either it's these occassional minute amounts of soy lecithin and oils or something else.
HTH!
-Fran ds Jack 2 3/4 PA, Soy (legumes)
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Posted on: Thu, 04/01/2004 - 5:30am
NutlessMOM's picture
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Joined: 09/17/2003 - 09:00

Francine,
Thanks for the information. I know I must be crazy, but I have never heard of a blood test to find out if you are allergic to peanuts. My children had the skin test done and that was 7 years ago for the last one. This test MUST be much safer. What can you tell me about it?
Kim [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

Posted on: Fri, 04/09/2004 - 4:26am
Chicago's picture
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Joined: 04/21/2001 - 09:00

It is called a RAST test. A blood sample is drawn and used to check allergy levels. Multiple foods can be tested on the same blood sample.
Your allergist can get you one - dd's fist one was ordered by the famly doctor.

Posted on: Fri, 04/09/2004 - 11:24am
NutlessMOM's picture
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Joined: 09/17/2003 - 09:00

THANKS CHICAGO! Matthew goes to the allergist this coming Monday, April 12th. I will ask about it cause he has never been tested for food allergies except for peanuts.
Kim [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

Posted on: Mon, 04/12/2004 - 2:54pm
NutlessMOM's picture
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Joined: 09/17/2003 - 09:00

Matthew went to the doctor yesterday. He is will be having the RAST test for soy today. He is scared to have his blood drawn. Husband just wants us to withheld the soy and not do the blood test. Also, has anyone ever heard of someone breaking out in hives just from the touch, a hit, a scratch, etc. The doctor was doing a skin test for soy and Matthew even had a reation to the saline. The doctor then broke a tongue suppressor and scratched his arm, Matthew broke out in hives within a minute at the site. He said that He had a skin disorder. Anyone else heard of this? That is when the doctor said that Matthew would have to have the RAST test done. The allergist said that the skin test was more accurate than the RAST test but not in Matthew's case.

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