Impact of Comorbidities on Local Anesthetic Hypersensitivity: A Decade of Clinical Experience
Abstract
Objectives: Clinicians widely utilize local anesthetic (LA) agents in pain management and surgical interventions. Nevertheless, drug hypersensitivity reaction (HR) to their use continue to raise considerable concern among both clinicians and patients. The present study aims to investigate the relationship between local anesthetic hypersensitivity reactions (LA-HRs) and comorbid conditions in patients referred to our clinic.
Methods: Clinical data and test results of patients who were referred to our allergy clinic for evaluation of suspected LA-HR were retrospectively reviewed. Skin tests (ST) and subcutaneous provocation tests (SPT) were performed.
Results: A total of 200 patients were included in the study. The most common reason for referral was a suspected LA-HR (80%), followed by a history of HR to other drugs with a need for LA use during upcoming procedures (20%). Among 160 patients with suspected LA- HR, only 5.6% demonstrated confirmed hypersensitivity by positive ST and SPT. Of the 40 patients with a history of HR to other drugs, only 2.5% tested positive for LA-HR. A history of comorbidity was present in 70% patients. Patients with suspected LA-HR had a significantly higher prevalence of comorbidities compared to those with HR to other drugs. However, none of the patients who tested positive had a history of comorbidity.
Conclusions: Confirmed hypersensitivity risk among patients reporting LA-HR is very low. Although comorbidities were more common among patients reporting LA-HR, none of the patients with confirmed allergy had any comorbidities, underscoring the low confirmed hypersensitivity rate in this population.
Keywords
Ethical Statement
References
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Details
Primary Language
English
Subjects
Allergy
Journal Section
Research Article
Authors
Mehmet Kılınç
*
0000-0003-1117-6872
Türkiye
Fatih Çölkesen
0000-0002-6595-1267
Türkiye
Filiz Sadi Aykan
0000-0002-8941-5573
Türkiye
Recep Evcen
0000-0002-6124-5816
Türkiye
Tuğba Önalan
0000-0003-2427-5925
Türkiye
Fatma Arzu Akkuş
0000-0003-0519-7132
Türkiye
Eray Yıldız
0000-0002-9596-1773
Türkiye
Şevket Arslan
0000-0002-0343-0159
Türkiye
Early Pub Date
December 17, 2025
Publication Date
February 1, 2026
Submission Date
October 19, 2025
Acceptance Date
December 7, 2025
Published in Issue
Year 2026 Volume: 12 Number: 2