Affiliation:
1. From the Division of Allergy and Clinical Immunology, Department of Internal Medicine, Ege University Medical Faculty, Izmir, Turkey, and
2. Translational Pulmonary Research Center, Ege University, Izmir, Turkey
Abstract
Background: β-Lactams are the most widely used antibiotic family in the world. Nevertheless, they also stand out as the primary culprits for inducing drug hypersensitivity reactions (HSR). Methods: Between May 2018 and March 2023, patients with suspected
HSRs to β-lactams, who underwent skin tests (ST), were retrospectively screened. The determinants of allergenic penicillin (DAP) tests, which include penicillin minor and major determinants, clavulanic acid, and amoxicillin, along with ampicillin, sulbactam, the identified culprit drugs,
and alternative cephalosporins, which include cefuroxime, ceftriaxone prick and/or intradermal tests, were administered. The analysis focused on identifying positive ST results and determining the true HSRs rates in this patient cohort. Results: Of the 147 patients, 78.9%
(n = 116) were women and the median (minimum-maximum) age was 41 years (18‐71 years). Mild HSRs (grades 1‐2) were observed in 72.78% (n = 107), whereas 24.4% (n = 36) had severe reactions (grades 3‐4) and 2.7% (n = 4) had an unknown grade. Of the patients, 64% (n = 94)
experienced HSRs within the first hour after the last dose of the identified culprit drug. The overall positivity rate for all STs was 26.5% (n = 39). ST positivity rates were notably higher in individuals who had experienced HSRs within the past 6 months (p = 0.02) and those
with severe anaphylaxis (p < 0.001). Conclusion: β-Lactam ST positivity is higher, especially in those with grades 3‐4 reactions and consulted a physician within the first 6 months after their HSRs.
Publisher
Oceanside Publications Inc.
Cited by
1 articles.
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