Results of drug hypersensitivity evaluations in a large group of children and adults
- 13 October 2011
- journal article
- research article
- Published by Wiley in Clinical & Experimental Allergy
- Vol. 42 (1), 123-130
- https://doi.org/10.1111/j.1365-2222.2011.03887.x
Abstract
Background Proven IgE or T‐cell mediated drug hypersensitivity reactions (DHRs) seem less common in children compared with adults. However, this has never been proved by data. Objective To determine and compare proven DHR prevalence in children and adults. Methods Using the DAHD (Drug Allergy and Hypersensitivity Database) cohort, children with proven DHRs were compared with adults. The international EAACI‐ENDA recommendations were followed. Patients were divided into four groups: index reaction and test during childhood (C/C), index reaction at childhood and test at adulthood (C/A), index reactions at childhood and adulthood and test at adulthood (CA/A), index reaction and test at adulthood (A/A). Results A total of 3275 patients (67.9% female), comprising a total of 4370 patient‐episodes, were evaluated (74.5% belonged to the A/A group). Prevalence of positive tests was 15.2% (95%CI, 14.1–16.2) for all tested classes, 10.6% (8.3–13.0) for C/C, 10.6% (7.5–13.6) for C/A, 22.1% (12.8–31.3) for CA/A and 16.5% (15.2–17.8) for A/A. The prevalence was lower in group C/C compared with groups A/A (P < 0.0001) and CA/A (P = 0.003). It was also lower in group C/A compared with the two latter groups (respectively P = 0.003 and P = 0.005). Significant differences were found for maculopapular exanthemas only, and not for urticaria/angiœdema and anaphylaxis. The difference was mainly observed with β‐lactams and not for NSAIDs. Conclusion and Clinical Relevance Suspicions of DHRs are less likely to be confirmed in children.Keywords
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