Nationwide epidemiology and healthcare burden of pediatric anaphylaxis in Thailand: A population-based study, 2019-2023.

A total of 42,290 pediatric anaphylaxis hospitalizations were identified, increasing from 7877 cases in 2019 to 10,519 in 2023.

School-aged children and adolescents accounted for the largest proportion, with male predominance (59.4%).

Food-related reactions were more common in younger children, whereas insect-related reactions were more frequent in older age groups.

Severe complications and certain comorbidities were associated with increased risk of adverse outcomes.