Cohort Studyhigh evidence
Drug allergy labels and complications after surgery: a prospective multicentre cohort study.
British journal of anaesthesia·September 10, 2026·PMID 42722596
Why it mattersDrug allergy labels are common and often incorrect, leading to avoidance of first-choice antibiotics and other therapies. This study quantifies the associated increase in postoperative complications, highlighting a modifiable risk factor that anesthesiologists and surgeons can address through allergy delabelling or alternative selection.
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