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Objective Based on the health big data platform of Yichang city, to analyze the characteristics of allergic diseases of children born in medical institutions from 2017 to 2022 in Yichang city, and to clarify the distribution of allergic diseases among children in Yichang city. Methods Statistical analysis was conducted based on the records of born children with allergic diseases in the outpatient clinic of urban comprehensive medical institutions from 2017 to 2022 in the big data cloud platform of Yichang city. Results The number of visits of male children was 68 707, more than that of female children, and the number of visits had been increasing since 2017. The highest number of hospital visits was 46 190 (37.86%) among children of 0-1 year old, of which the highest number of visits was 3 331 (13.74%) among children of two months. Atopic dermatitis/eczema and allergic rhinitis had a higher number of visits with 46 156 and 14 388 visits, respectively. The age of onset of atopic dermatitis was earlier, with the age of first consultation being 0.42 years, and the age of onset was earlier in males than in females. Atopic dermatitis/eczema and allergic rhinitis were the most common multimorbidities. Conclusion For children with atopic dermatitis/eczema and/or allergic rhinitis, the focus is on the development of concomitant diseases to further interrupt the allergic process and promote early detection, prevention and treatment of the disease. [ABSTRACT FROM AUTHOR]

Background/aim: Data on the prevalence of allergic diseases in children with proven drug allergies are limited. We aim to evaluate the frequency of allergic comorbidity in children with proven common drug allergies. Materials and methods: Children with drug hypersensitivity confirmed by diagnostic allergy tests at our center between January 2010 and December 2020 were screened retrospectively. Patients with the most common drug allergies (due to antibiotics, nonsteroidal antiinflammatory drugs [NSAIDs], and antiepileptic drugs) were selected for analysis. Age, sex, the culprit drug, initial reaction characteristics, diagnostic test results, and the study physician who diagnosed concomitant allergic diseases were noted. Results: A total of 168 patients (boys, 51.2%) with a median age of 12 years (IQR = 8-16.3) were included in the study. The culprit drug was an antibiotic in 63% (n = 106), NSAID in 25% (n = 42) and anticonvulsant in 11.9 % (n = 20) of the patients. Drug hypersensitivity reactions were immediate in 74.4 % (n = 125) and delayed in 25.6 % (n = 43) of the patients. Seventy-five patients (44.6 %) had at least one allergic disease, most commonly rhinitis (27.3 %, n = 46) or asthma (25 %, n = 42). Fifty-five patients underwent skin prick tests with aeroallergens, producing a positive result in 60% (n = 31). The prevalence of allergic disease was not differing according to the culprit drug. The frequency of developing at least one concomitant allergic disease was 47.2% (n = 50/106) for antibiotic hypersensitivity, 52.4% (n = 22/42) for NSAID hypersensitivity, and 15% (n = 3/20) for anticonvulsant hypersensitivity (p < 0.00). Immediate drug hypersensitivity reactions were more frequent in children who had allergic diseases (80 % vs. 64.5 %; p = 0.027). Conclusion: Nearly half (44.6%) of the children with proven drug hypersensitivity had concomitant allergic diseases and immediate reactions were more common in this group. Children evaluated for drug hypersensitivity should be assessed for other allergic diseases. [ABSTRACT FROM AUTHOR]