Do groups of allergies \"go together\"?

Posted on: Tue, 06/27/2000 - 3:48am
san103's picture
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Joined: 03/27/2000 - 09:00

Below you will find an abstract from an article about IgE levels and some interesting finds about allergy groupings...this study seemed to find a link between infant egg allergies, and later inhalent allergies, specifically to cats.

This made me wonder if some groupings of allergies occur more often than others. My son is allergic to peanuts, most nuts, and dogs. Much to our surprise he has not reacted to cats...yet...or to eggs (RAST test done at 6 months, but he has had not egg exposure except through breastmilk). I noticed several people with pa kids who are also allergic to dogs.

Has anyone noticed any common allergy clusters? What are your kids allergic to? Anyone else have a child with peanuts, nuts and dog allergies?

Article Info:

J Allergy Clin Immunol 2000 Jun;105(6 Pt 1):1077-1084 Related Articles, Books, LinkOut

Quantitative IgE antibody assays in allergic diseases.

During the past several years, immunoassays for specific IgE antibodies have been refined to permit reporting results in mass units. Thus quantitative immunoassays for IgE antibodies may be an adjunct to skin tests. In cases of food allergy among children with atopic dermatitis, cutoff values for IgE antibody concentrations to egg, milk, peanut, and fish have been derived to provide 95% positive and 90% negative predictive values. Food-specific IgE antibody determinations can also be used to predict which food allergies are resolving spontaneously. Elevated egg-specific IgE antibody levels in infancy are associated with significantly increased risk for development of inhalant allergies later in childhood. In cases of inhalant allergy, specific IgE antibody levels correlate closely with results of inhalation challenge studies in cat-sensitive persons. Also, mite-specific IgE antibody levels correlate significantly with the mite allergen contents of reservoir dust in the homes of mite-sensitive persons. Immunoassays for quantitation of specific IgE antibodies may be used to document allergen sensitization over time and to evaluate the risk of reaction on allergen exposure. However, immunoassays and skin tests are not entirely interchangeable, and neither will replace the other in appropriate circumstances.

[This message has been edited by san103 (edited June 27, 2000).]

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