Some children outgrow nut allergies

Nov. 7, 2005 at 10:02 PM
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BALTIMORE, Nov. 7 (UPI) -- A study says about 9 percent of children with an allergy to tree nuts will outgrow their allergy.

Researchers from Johns Hopkins University School of Medicine say that number includes children who have had a previous severe allergic reaction. Children who are allergic to multiple types of tree nuts, however, are unlikely to outgrow their allergy.

Because tree nut allergies were previously thought to last a lifetime, few patients underwent a re-evaluation to determine if their allergy still existed. They were simply told to avoid tree nuts, and were prescribed epinephrine to take in the event a severe reaction occurred.

The study, published in the November 2005 Journal of Allergy & Clinical Immunology, recommends that children with a current tree nut allergy be re-evaluated periodically to assess whether they have developed a tolerance.

It is estimated that 1 to 2 percent of the United States population is allergic to peanuts, tree nuts or both.

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