Safety, Efficacy, and Effectiveness of Delabeling in Patients with Multiple Drug Allergy Labels

Chandra Vethody1, Roger Yu1, Jacob M Keck2

  • 1Division of Allergy and Immunology, Department of Medicine, Vanderbilt Asthma Sinus and Allergy Program, Vanderbilt University Medical Center, Nashville, Tenn.

Abstract

Insights

Multiple drug allergy labels (MDALs) can be safely removed in a single visit, improving patient care. However, ensuring consistent label removal across healthcare providers requires further attention.

Area of Science:

  • Clinical Medicine
  • Allergy and Immunology
  • Pharmacology

Background:

  • Multiple drug allergy labels (MDALs) pose significant challenges in patient care.
  • Accurate allergy labeling is crucial for safe and effective medication management.

Purpose of the Study:

  • To evaluate the efficacy and safety of removing MDALs during a single clinical visit.
  • To assess the effectiveness of drug allergy label removal in improving patient care.

Main Methods:

  • Retrospective chart review of patients with MDALs from October 2014 to October 2018.
  • Analysis of allergy label testing, removal, and patient outcomes.
  • Post-visit surveys administered to patients, pharmacies, and primary care physicians.

Main Results:

  • Over 97% of tested allergy labels were successfully removed from electronic health records (EHRs).
  • Most patients (86%) were delabeled in a single visit, though 25% retained labels at one year.
  • Physician and pharmacy confirmation of label removal varied, highlighting communication gaps.

Conclusions:

  • Drug allergy label removal is safe and feasible in a single visit.
  • Barriers to the effectiveness of MDAL removal persist, particularly in information dissemination.
  • Improved communication strategies are needed to reinforce label removal with patients and providers.

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