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Updated October 28, 2008


A genetic predisposition to develop a group of related allergic diseases: food allergies, eczema, asthma, and hay fever (allergic rhinitis). These conditions are sometimes referred to collectively as atopic diseases.

Pronunciation: AT-uh-pee; ay-TOP-ic

Families with a strong history of atopic conditions have been advised by the AAP to breastfeed babies or use hypoallergenic formulas for four to six months before introducing solid foods.

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