[Feature of food allergy developed during infancy (2)--acquisition of tolerance against hen's egg, cow's milk, wheat, and soybean up to 3 years old].

Background: Once food elimination is introduced, it is important to know for doctors when patients generally develop oral tolerance against eliminated food. To clarify the point, following study was conducted.

Methods: We analyzed 304 patient profiles with food allergy in our division between 1994 and 2001.

[Feature of food allergy developed during infancy (1)--relationship between infantile atopic dermatitis and food allergy].

Background: Most of food allergy (FA) cases during childhood start as infantile atopic dermatitis (AD) at the ages of a few months old. We tried to clarify the association between infantile AD and FA during infancy.

Methods: We analyzed relationship between AD and FA during infancy among patients with 208 cases, who had visited our outpatient clinic with chief complaint of "eczema" from 1998 to 2000.