Background: Penicillin (PCN) allergy labels are the most common drug allergy label and limit use of first-line antibiotics for many pediatric bacterial infections. Improving access to PCN allergy evaluations is a priority for allergy and immunology (A&I) and infectious diseases (ID) programs.
Objective: To increase the number of completed PCN allergy evaluations from 6 to 24 per month from January 2022 to December 2023.
Methods: A collaborative PCN allergy stewardship team was established in the A&I and ID divisions at Texas Children's Hospital. Telemedicine evaluations and, when clinically indicated, in-person PCN allergy evaluations were conducted from January 2022 to December 2023. Plan-do-study-act cycles were conducted to increase awareness about the clinics. The primary outcome measure was the average number of monthly completed PCN allergy evaluations.
Results: The average number of completed PCN allergy evaluations increased from 6 to 19 per month. Children were seen rapidly in the ID telemedicine clinic (20 vs 62 days, P < .001), and 428 of 627 (68%) children who required in-person challenge were scheduled for their in-person evaluation. Among the 211 children delabeled, 71 (33.6%) were subsequently diagnosed with a bacterial infection requiring PCN during the study period.
Conclusion: A collaborative PCN allergy stewardship team consisting of ID and A&I specialists increased the number of completed PCN allergy evaluations 3-fold. ID telemedicine services allowed prompt access to care, and most children were delabeled and subsequently able to receive PCN antibiotics for bacterial respiratory tract infections. Future work should explore ways to minimize barriers to PCN allergy evaluations and further expand testing services in other settings.
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