According to the Institute for Safe Medication Practices (ISMP), which of the following is an...

ISMP maintains a “List of Confused Drug Names” highlighting look-alike/sound-alike name pairs with a history of mix-ups. Chlordiazepoxide (a benzodiazepine) and chlorpromazine (a typical antipsychotic) are a classic LASA pair on ISMP lists and in technician study materials, given their similar prefixes (“chlor…”) and length/appearance, leading to documented wrong-drug errors. While other pairs may also resemble one another, ISMP’s established examples include chlordiazepoxide/chlorpromazine specifically.

References (Pharmacy Technician documents / Study Guides):

• ISMP List of Confused Drug Names (community/inpatient).

• PTCB/ExCPT Medication Safety: LASA examples and tall-man lettering strategies.

• ASHP/ISMP LASA risk-reduction recommendations for selection, storage, and labeling.