Intake of allergenic foods at 1.5 years and 3 years of age in a general child population in Japan: a cross-sectional study.

Background: Recent studies indicate that the timing of introduction of potentially allergenic food is crucial for the development of food allergy in children. This cross-sectional study aimed to clarify the reality of allergen food intake in a general population of young children in Japan.

Methods: A questionnaire survey of caregivers was conducted at health checkups for 1.

Egg Reintroduction Following Oral Food Challenge in Japanese Children.

Oral food challenge (OFC) is the most reliable method for diagnosing food allergies. However, the scarcity of long-term data on eating habits of people after a negative OFC poses a challenge for provisional medical care. This study was performed to investigate the percentage of people who could reintroduce eggs into their diet several years after an OFC.

Association between fruit and vegetable allergies and pollen-food allergy syndrome in Japanese children: a multicenter cross-sectional case series.

Background: Recently, the prevalence of food allergies during childhood is increasing, with fruits being common allergens. However, data on allergens that cause fruit and vegetable allergies and pollen-food allergy syndrome (PFAS) in childhood are relatively few. This study aimed to examine the allergens in fruit and vegetable allergies in pediatric patients and to determine the association between fruit and vegetable allergies and PFAS.