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Correcting (or delabelling) inaccurate penicillin allergy labels is an important component of antimicrobial stewardship.1 2 Over recent years, there has been greater recognition of the harms associated with having penicillin allergy wrongly noted in medical records, as well as development of tools to support delabelling initiatives.3 4 The proportion of incorrect penicillin allergy labels has been reported to be about 95% following subsequent testing.5 People who have a label of penicillin allergy are more likely to be treated with alternative antibacterials that have a broader spectrum of activity, which may impact on antimicrobial resistance patterns. In addition, there is growing resistance to last-line antibiotics, which is associated with a higher risk of mortality disproportionately affecting deprived or non-white populations, and increasing resistance to alternative antibiotics …
Competing interests None declared. Refer to the online supplementary files to view the ICMJE form(s).
Provenance and peer review Commissioned; externally peer reviewed.
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