Does + skin test = life threatening reaction to almonds?

Posted on: Mon, 12/21/2009 - 8:41am
momsuz123's picture
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Joined: 12/21/2009 - 12:41

Hi all, I am new hear. My 13 month old son was skin tested today and came back + for rice and almonds. He was then sent to the lab for RAST testing and much more.
Does this mean he can't be around any nuts? Obviously at his age, I don't give him any nuts,etc. My older girls do eat peanut butter though (and then probably run and kiss him)
Anyway, just wondering.
Thanks, glad I found this site.

Posted on: Mon, 12/21/2009 - 10:10am
lakeswimr's picture
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Joined: 02/01/2007 - 09:00

No, a positive skin test does not mean that your child has a food allergy. It means there is a 50% chance your child has a food allergy unless you have seen your child have prior *for sure* reactions to *that* particular food. Why did you have your child skin tested to rice and almonds? Rice in particular is a very, very rare allergy. The general rule now is that allergists don't test unless there is reason to suspect a particular food is an allergen because of the super high false positive rate for both skin and blood testing.
What food reactions have you seen in your child that lead you to have your child tested?

Posted on: Mon, 12/21/2009 - 10:23am
momsuz123's picture
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Joined: 12/21/2009 - 12:41

Hi, I had brought my son to the asthma/allergy doctor because he has been chronically congested for most of his life, been sick a lot (tubes at 5 months, adnoidectomy at 11 months, respiratory issues) and my daughters have a hx of asthma. I thought he was going to prescibe meds for a nebulizer for the next time he is sick. He just did the skin tests instead.
Thanks.

Posted on: Tue, 12/22/2009 - 3:39am
lakeswimr's picture
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Joined: 02/01/2007 - 09:00

It is possible that food allergies have been causing your son to have breathing trouble all this time *but* if that was the cause those were VERY serious, potentially life threatening reactions. Did the doctor give you epi pens and an emergency plan?
From the sound of it (and I can't be sure since you gave only a little info and I can't see the child, etc), it sounds like your child has *asthma*. I don't read that and think 'food allergy'. Yes, it is possible for a food allergy to manifest with those symptoms but food allergy reactions happen within 2 hours of eating an allergen, usually within minutes to 45 minutes of ingestion. If you had a child with a food allergy you would see symptoms usually not there and then they would occur after your child ate particular foods. That doesn't sound like what was happening, although I don't have enough info to know that for sure.
Being sickly is not an indicator of a food allergy.
You should have been prescribed asthma meds, been given a peak flow meter and been given guidelines for when to use the medications if your child has asthma. I'd see a second opinion allergist asap.
Testing rice is a big red flag for me because rice is a very, very uncommon allergen. Over 90% of food allergies in the USA are caused by dairy, egg, peanuts, tree nuts, wheat, fish, shellfish, soy and sesame. If there are mystery reactions doctors start with some of that last or the things your child ate prior to the mystery reactions.
I'd see the ped doc for asthma meds in the meanwhile. Untreated asthma is very serious.

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