Oral Allergy Syndrome and Nut Allergy

Posted on: Sat, 01/04/2003 - 4:15am
KarenH's picture
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Joined: 09/21/2002 - 09:00

I had started the PA Question topic, and feel that I didn't state my question very clearly so I'm going to try again. Too bad we can't delete posts once we see how dumb they look, lol! [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

I have nut allergy as a result of Oral Allergy Syndrome. My allergist hasn't recognized OAS or officially diagnosed me with it, but *I* know I have it from what I've read and my symptoms.

My question is this-does anyone know if nut allergy as a result of OAS is as severe as a regular food/nut allergy? I have been very vigilant, but I'm beginning to wonder if I'm worrying for nothing. I have done a search on this topic and while I found some people who are in the same boat as me, no answers.

Posted on: Sat, 01/04/2003 - 5:15am
darthcleo's picture
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Joined: 11/08/2000 - 09:00

For those who, like me, have never heard of OAS, here's a link
[url="http://www.inspection.gc.ca/english/corpaffr/foodfacts/orale.shtml"]http://www.inspection.gc.ca/english/corpaffr/foodfacts/orale.shtml[/url]
Since it mentions that this allergy *can* become anaphylactic, I would be just as worried as if it was a "regular" allergy.

Posted on: Sat, 01/04/2003 - 8:47pm
DebO's picture
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Joined: 03/15/1999 - 09:00

Hi Karen
I am in no way an expert but.... I have OAS and react to walnuts, raw tomatoes and raw potatoes. Walnuts cause bumps and itch in my mouth as do tomatoes and potatoes give me a rash if I peel them. I am also allergic to almonds but get a gastro-intestinal reaction. I don't seem to react to other tree nuts but avoid them. I have tested with a very mild reaction to peanuts and used to eat them all the time but would get a similarly mild itch/hives in my mouth. My allergist has never given me an epipen and has never suggested that my food allergies are life threatening. My reactions have never changed nor worsened in thirty some odd years.
On the other hand, my son recently tested postiive for walnuts and is anaphylactic to eggs. His allergist immediately suggested an epipen for the nut allergy as he said it has the potential to be severe even though my son has never even been exposed to nuts.
So I have heard 2 conflicting things from 2 allergists and I am sure this is no help to you whatsoever except to commiserate!
take care
deb

Posted on: Sat, 01/04/2003 - 10:41pm
Lisa V's picture
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Joined: 03/12/2002 - 09:00

I recently described my OAS to my child's pediatrician while discussing his peanut allergy. He stated (emphatically) that I get an epipen prescribed. He thought I would never need it, but that it was my responsibility as a parent, to have it "just in case."

Posted on: Sun, 01/05/2003 - 2:56am
KarenH's picture
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Joined: 09/21/2002 - 09:00

I have tested allergic to almonds (itchy mouth), walnuts (I've never had a reaction), and hazelnuts (throat swelling). I'm allergic to alder trees, and probably birch since every fruit/veggie listed on the birch cross reactive allergy list, I'm allergic to.
(itchy mouth/throat if I eat them raw, rash/itchy if I peel them-some more then others)
I suppose according to that link I'm not worrying for nothing....it says that anaphylaxis can occur from hazelnuts, and with the throat swelling.... [img]http://uumor.pair.com/nutalle2/peanutallergy/frown.gif[/img] What's interesting is that I got allergy shots for pollen, and while it helped my pollen allergy, my OAS got MUCH worse. At first it was just apples and necterines, and now it's a whole pile of things, including peanuts and tree nuts.
[This message has been edited by KarenH (edited January 05, 2003).]

Posted on: Sun, 01/05/2003 - 5:26am
anonymous's picture
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Joined: 05/28/2009 - 16:42

Is it OAS if you just get bumps and nothing else? My husband gets a lot of "canker sores" inside his mouth right after eating plums. Every once in a while I'll eat something, perhaps it is plums also, and my lips will erupt with little bumps, but nothing else. They don't itch, my lips don't swell, but I don't like the feeling of bumpy lips. They're gone by the next day too. It doesn't happen when I eat prunes, and it's easy to eat a ton of prunes at once, especially those new orange and cherry essence ones.

Posted on: Mon, 01/06/2003 - 2:23pm
KarenH's picture
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Joined: 09/21/2002 - 09:00

Hmmm I'm not sure. I just know that I get unbearably ITCHY.

Posted on: Mon, 02/02/2004 - 2:13pm
DebO's picture
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Joined: 03/15/1999 - 09:00

Hi Karen
I was looking up labelling on the CFIA website for MB's thread and came across an article on Oral Allergy Syndrome and thought of you. It is quite interesting.
Here is a link:
[url="http://www.inspection.gc.ca/english/corpaffr/foodfacts/orale.shtml"]http://www.inspection.gc.ca/english/corpaffr/foodfacts/orale.shtml[/url]
take care
deb

Posted on: Tue, 02/03/2004 - 3:01pm
KarenH's picture
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Joined: 09/21/2002 - 09:00

Thanks Deb, how sweet!
I couldn't read it, it wouldn't load up. I'll try again later. [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

Posted on: Wed, 02/04/2004 - 12:44am
DebO's picture
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Joined: 03/15/1999 - 09:00

HI Karen
Here is a copy of the text:
Canadian Food Inspection Agency
Fact Sheet
[b]ORAL ALLERGY SYNDROME
What is an

Posted on: Wed, 02/04/2004 - 1:49am
KarenH's picture
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Joined: 09/21/2002 - 09:00

[img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img] Thank-you Deb.
Yep, I fit the birch pollen one. I react to almost everything on that list. Yuk.
However, I find that even when the fruit is cooked (eg peach, apple) I still react to it if I eat too much. Like in an apple crisp, for instance.

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