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PostPosted: Sun Oct 31, 2010 9:31 pm 
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Joined: Fri Oct 29, 2010 8:59 pm
Posts: 3
Greetings to everyone:)

What test would you recommend for food allergy?
Blood test (RAST or ELISA) or skin test? Which one gives more reliable results?
I'm probably allergic to rye, barley and nuts. Not sure about dairy products either.
I had very severe reaction recently and my doctor recommended skin test but I don't how reliable and safe this test can be? Especially that I already had strong reaction.

Thank you in advance


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PostPosted: Mon Nov 01, 2010 12:40 am 
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Joined: Tue Jun 26, 2007 2:45 pm
Posts: 802
Location: Vancouver, BC
After my then two yr old had a serious reaction to peanuts, I didn't want her exposed to peanuts through a skin prick test so insisted on a blood test. The allergist agreed and I think it was a rast or immunocap that was done. Not sure about the elisa test.

Blood tests can show up as negative if the person has never been exposed to the allergen, i think. I've heard of skin test being incorrect too. I think if the results of either are inconclusive then they will do a food challenge to find out for sure.

_________________
DD 2004 Allergy to peanuts, egg, sesame, and new: lentils and chick peas
DS 2006 Allergy to peanuts, tree nuts, milk, egg, kiwi fruit, eczema


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PostPosted: Mon Nov 01, 2010 5:59 am 
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Joined: Fri Oct 10, 2008 9:40 pm
Posts: 2034
Location: ottawa
Welcome :D

Our son has had skin pricks and RAST done. He has had many sets of skin pricks done - all after severe reactions to the same allergens - and has never had an issue with the skin pricks.
Good luck, glad you found us.
:huggy

_________________
DD 12 yrs -no allergies
4 yr old DS - asthma/eczema Anaphylactic to Peanuts, all tree nuts, sesame , all pea/lentil legumes, gelatin.
Allergic to trees, grass,ragweed, feathers, dander, mold and dust.
Outgrew eggs, fish, shellfish


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PostPosted: Mon Nov 01, 2010 8:01 am 
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Joined: Fri Oct 29, 2010 8:59 pm
Posts: 3
Thank you so much,
I guess every individual is different and reacts differently. I don't know what to do:(
I'm glad that I was able to find this community, life is easier when you can share your problems and ideas with others

Regards


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PostPosted: Mon Nov 01, 2010 12:59 pm 
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Joined: Tue Jun 26, 2007 2:45 pm
Posts: 802
Location: Vancouver, BC
I would start with the blood test if your allergist is willing, as there are virtually no risks, just minute possibility for infection of the site, I suppose? As an adult, likely you would have been exposed to your allergens and they would show up on the test. Depending on where you are, the allergist may have restrictions on who is allowed to have a blood tested as paid for by the public health system. I know here, one has to have had a serious reaction and / or family history of the allergy to qualify. . . I guess the don't want people getting tested for dozens of allergens for no good reason.

_________________
DD 2004 Allergy to peanuts, egg, sesame, and new: lentils and chick peas
DS 2006 Allergy to peanuts, tree nuts, milk, egg, kiwi fruit, eczema


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PostPosted: Tue Nov 02, 2010 9:55 am 
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Site Admin

Joined: Tue Mar 22, 2005 11:17 pm
Posts: 6465
Location: Ottawa
Have you checked out Allergic Living's website? There is a whole section on Food Allergy in general as well as information on specific priority allergens.
http://allergicliving.com/index.php/201 ... allergies/

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Moderator
Daughter: asthma, allergies to egg, milk, peanuts, tree nuts, most legumes (not soy) & penicillin. Developing hayfever type allergies.
Husband: no allergies
Me: allergies to some tree that flowers in May
Cat: allergic to beef, pork and lamb


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PostPosted: Sat Nov 06, 2010 8:24 pm 
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Joined: Fri Oct 29, 2010 8:59 pm
Posts: 3
Thank you very much Susan,
Info on web site you suggested is really useful


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PostPosted: Mon Nov 08, 2010 9:51 am 
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Site Admin

Joined: Tue Mar 22, 2005 11:17 pm
Posts: 6465
Location: Ottawa
:thumbsup
I hope you get some answers...it's hard not knowing what is causing the reactions.

_________________
Moderator
Daughter: asthma, allergies to egg, milk, peanuts, tree nuts, most legumes (not soy) & penicillin. Developing hayfever type allergies.
Husband: no allergies
Me: allergies to some tree that flowers in May
Cat: allergic to beef, pork and lamb


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