Drug name confusion errors in the published literature and the USP Medication Errors Reporting Program, 1965-2004: a reconstructed dataset of 724 confused drug name pairs

Background. Medication errors caused by confusion between similar drug names (look-alike/sound-alike, or LASA, errors) have been reported for decades, but the underlying case reports have never been assembled into a public, machine-readable dataset. Between 2002 and 2005 we compiled such a collection from the published literature and from the United States Pharmacopeia (USP) Medication Errors Reporting (MER) Program. It remained in five unreleased Microsoft Access databases. Methods. In 2026 we exported and reconciled the five databases into case-level and pair-level files. We mapped drug name

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