Legumes, they\'re freaking me out!!!

Posted on: Thu, 07/19/2007 - 6:23am
chanda4's picture
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Joined: 12/14/2006 - 09:00

Okay, I'll try to get through this without being too confusing. I don't often serve beans to my kids, and honeslty(which is sad to admit) they really don't get any veggies. I did once serve green beans ot my kids and my 1yr old ate them, but developed hives on her face(like where they had touched her skin). At the following allergy appt they scratch tested her and it was negative to green beans. Then today I served them at lunch(pay day is tomorrow and we're eating the things that are left in the pantry, but not fav's!!). So just out of the blue I asked Jake(my pa son) if he ever got an itchy or squeezy(his throat always squeezes during reactions) when he ate green beans. He said no if he only eats 1 or 2...but if he eats 5 or 10 his throat does squeeze in and out!!!! That freaked me out, seriously!

We do have allergy appt's coming up at the end of the month and I will be asking for further testing, but are all legumes related to peanuts, or just some of them? which ones are closer related, or all the same? He has had mexican beans(refried I guess, are those pintos???) and never had problems, but really I have never served any other legumes and I guess I would like them all tested just to be sure.

So am I over reacting? If I do ask for testing which are the most common legumes ot cause problems?? Thansk so much

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Chanda(mother of 4)
Sidney-8 1/2(beef and chocolate, grasses, molds, weeds, guinea pig & asthma)
Jake-6 1/2(peanut, all tree nuts, eggs, trees, grasses, weeds, molds, cats, dogs, guinea pig & eczema & asthma)
Carson-4 (milk, soy, egg, beef and pork, cats, dog, guinea pig and EE)
Savannah-1 1/2 (milk and egg)

Posted on: Thu, 07/19/2007 - 6:30am
Corvallis Mom's picture
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Joined: 05/22/2001 - 09:00

They're all 'related' to one another, but what is more important is that they have different levels of cross-reactivity with PN.
It [i]seems[/i] (anecdotally from people who post here) that lentils and chickpeas/garbanzos are the MOST likely offenders, followed by peas and various other types of beans.
I think that the one reference that I've seen also ranks them in order of decreasing cross-reactivity as Lupine> lentils> chickpeas and then the others.
There isn't much data on how many PA kids with MFA are allergic to more than one legume...but it seems to be higher than the general PA population, I will say that.
In general, PA people are not very likely to be allergic to anything else but lupine (what, 1 in 3 or 4 are, or something..... as opposed to one of the others, which my memory recalls is more like 1 in 15 to 1 in 30...)

Posted on: Thu, 07/19/2007 - 6:50am
chanda4's picture
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Joined: 12/14/2006 - 09:00

I just did a search of legumes and lupins. Are green beans legumes, I didn't see anything mentioning them? And for lupins, is that more a seasonal allergy(like grass) it looked like a plant with flowers...or do you eat it?? I guess I have a lot to learn....
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Chanda(mother of 4)
Sidney-8 1/2(beef and chocolate, grasses, molds, weeds, guinea pig & asthma)
Jake-6 1/2(peanut, all tree nuts, eggs, trees, grasses, weeds, molds, cats, dogs, guinea pig & eczema & asthma)
Carson-4 (milk, soy, egg, beef and pork, cats, dog, guinea pig and EE)
Savannah-1 1/2 (milk and egg)

Posted on: Thu, 07/19/2007 - 8:53am
JacksonsMom's picture
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Joined: 07/21/2002 - 09:00

My DS is allergic to some legumes along with pn/tn/sesame/soy. He used to eat green beans but always had eczema. Sometimes he still asks for them but I don't like to let him have them. He skin tested pos to peas, green beans, and I think kidney beans. But Rast was neg to all. SUPER confusing to me as well. I find it's easier to avoid than speculate. He gets green veggies in other ways: broccoli, salad greens, spinach, and asparagus.
I do make black beans and refried beans for DH and I and really don't worry about cooking them in the house. I'm just careful not to mix up serving spoons.
To answer the question about which are closer related to peanut , I believe that peas and garbanzos are.
Good luck [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img] HTH

Posted on: Thu, 07/19/2007 - 10:09am
mcmom's picture
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Joined: 06/15/2004 - 09:00

Just a side story on legumes - my son used to eat baby food peas with no problem, and actual green beans (the jar kind). After his first exposure to pb, he became highly allergic to legumes - I put literally one pea in his mouth, and he spit it out immediately, and still broke out in hives. I always thought it was weird that he wasn't allergic before, the dr said one allergy can trigger another?

Posted on: Fri, 07/20/2007 - 5:16am
SFMom's picture
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Joined: 11/27/2006 - 09:00

Both my DDs (ages 11 and 13) are allergic to peanuts and most legumes. Legumes are confusing. It's difficult to know exactly what IS and what IS NOT a legume. Some are very grey areas.
For example, one daugther says that chickpeas make her thoat itch. The other can eat them no problem. Go figure.
In general I keep them away from anything that is legume or legume-like. This include: all beans, all peas, all nuts, all peanut products, all soy products, tamerind, pine nuts, and anything that comes in a pod. In Italian restaurnts if we see anything green we always ask if there's pesto in it (pesto is usually made with pine nuts).
Sometimes I think the legume allergy is harder than the peanut allergy. They're putting soy flour in EVERYTHING these days.
On a side note, my kids CAN eat foods containing soy lecthin, soy sauce, and soybean oil. Apparently those ingredients don't contain the protein. This may not hold true for everyone, but it's my kids' experience.
I hope this helps.

Posted on: Fri, 07/20/2007 - 5:47am
chanda4's picture
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Joined: 12/14/2006 - 09:00

Quote:Originally posted by SFMom:
[b]Both my DDs (ages 11 and 13) are allergic to peanuts and most legumes. Legumes are confusing. It's difficult to know exactly what IS and what IS NOT a legume. Some are very grey areas.
For example, one daugther says that chickpeas make her thoat itch. The other can eat them no problem. Go figure.
In general I keep them away from anything that is legume or legume-like. This include: all beans, all peas, all nuts, all peanut products, all soy products, tamerind, pine nuts, and anything that comes in a pod. In Italian restaurnts if we see anything green we always ask if there's pesto in it (pesto is usually made with pine nuts).
Sometimes I think the legume allergy is harder than the peanut allergy. They're putting soy flour in EVERYTHING these days.
On a side note, my kids CAN eat foods containing soy lecthin, soy sauce, and soybean oil. Apparently those ingredients don't contain the protein. This may not hold true for everyone, but it's my kids' experience.
I hope this helps.[/b]
thank you for posting, you gave me some good info! I am confused as well, but any bean is started to stress me a bit because of the hives my youngest got....then to find they are related to peanut, I worry about the pa too. I am going to have the kids tested, since we are going anyways, and I never have really. Especially since my pa son shared the squeezing throat sotry yesterday, yikes! I need to get them to eat veggies, but my youngest had so many problems with anything green(baby food, spinach, peas, green beans and even corn) so I just don't make it much anymore(and then I feel bad for being so freaked, probably over nothing!). Anyways, thanks for the info, I appreciate it greatly!!
ps, Carson is soy allergic but is fine with soy lecthin as well(I've never let him have soy sauce though) but my pa-son(Jake) did recently eat some rice with soy sauce and didn't say anything happened(hopefully!). Food allergies are so crazy(IMO)
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Chanda(mother of 4)
Sidney-8 1/2(beef and chocolate, grasses, molds, weeds, guinea pig & asthma)
Jake-6 1/2(peanut, all tree nuts, eggs, trees, grasses, weeds, molds, cats, dogs, guinea pig & eczema & asthma)
Carson-4 (milk, soy, egg, beef and pork, cats, dog, guinea pig and EE)
Savannah-1 1/2 (milk and egg)

Posted on: Fri, 07/20/2007 - 6:09am
booandbrimom's picture
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Joined: 08/23/2000 - 09:00

Chandra, we have the same deal. You may remember that I posted a couple weeks back that Brian had very low RAST tests for peas and some beans, so the doctor recommended challenge testing. We did peas at home and he ended up in the hospital. (Just a reminder that low RAST tests don't mean anything - challenge is the gold standard.)
He was violently allergic to lentils, soy and peanuts from the first and developed allergies to chick peas and green peas along the way. We eventually just declared him allergic to all beans and peas. He did pass the kidney bean challenge, but it's possible he was never allergic to these.
Sicherer did a research study that showed 1 in 20 peanut-allergic kids has an additional allergy to another legume or lentil. That seems low to me based on these boards, but that's the research. Apparently, it's related to the protein in the seed pod that's shared between beans and peas.
We eat soybean oil and lecithin without a problem as well. I've never had the guts to try soy sauce - probably should. It would make stir fry so much easier! (Although now we have a great green tea marinade that tastes just as good without all the salt.)

Posted on: Fri, 07/20/2007 - 6:16am
chanda4's picture
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Joined: 12/14/2006 - 09:00

Thanks B&B...I do remember the pea challenge, and I shuddered when Brian ended up in the hospital from it. I guess I just want to be totally sure, since they haven't been tested(although my youngest was and green beans were negative....but could be because of age?? because they caused hives!!). Then when Jake had the bean table at school I panicked....(although he was fine....actually I don't think he ever played with it, they gave him something else to do) I just need to test them and know for sure, I think that is best.
BUt I find it odd, once your child(well, my child at least) is peanut allergic, why wouldn't they go ahead and test legumes and lentils then...it would make it easier, especially on me [img]http://uumor.pair.com/nutalle2/peanutallergy/wink.gif[/img] Thanks [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]
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Chanda(mother of 4)
Sidney-8 1/2(beef and chocolate, grasses, molds, weeds, guinea pig & asthma)
Jake-6 1/2(peanut, all tree nuts, eggs, trees, grasses, weeds, molds, cats, dogs, guinea pig & eczema & asthma)
Carson-4 (milk, soy, egg, beef and pork, cats, dog, guinea pig and EE)
Savannah-1 1/2 (milk and egg)

Posted on: Fri, 07/20/2007 - 6:40am
Live4Him's picture
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Joined: 01/23/2007 - 09:00

My PA son is also allergic to (but not ana)
green beans, green peas and tomatoes. His allergic told us that they are related in the way that they all grow on the same kind of vine. Potatoes also grow on the same kind of vine. he was tested for soy and white potatoes, but was ok to that. There is more to it than just the same kind of vine, but that is how it was explained to us in a simple way.
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Isaiah 53:5

Posted on: Fri, 07/20/2007 - 6:49am
booandbrimom's picture
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Joined: 08/23/2000 - 09:00

The scratch tests are often positive for beans and peas because they're cross-reactive to peanuts. Our allergist said after the pea thing that the RAST tests are not 100%. They only test for the *likely* protein, not all proteins.
That's why you need the trifecta: scratch, RAST, challenge. I've personally pushed to get every food we can into my son's diet, so I would normally not cut out a whole food group. We just got nervous after he developed the chick pea allergy (which was the 5th legume/lentil allergy) - just didn't seem worth it. However, we're going to gleefully add back in the beans. Chili just isn't the same without the beans.
I think, as with everything, you have to do what you're comfortable doing. I don't think beans and peas are a problem for most peanut-allergic people, but you have to go with your gut.

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