Safety
Medication

HCTZ

Hydrochlorothiazide

High risk

Risk

ISMP lists HCTZ as error-prone: hydrochlorothiazide may be mistaken as hydrocortisone.

Safer Alternative

Write "hydrochlorothiazide"

Example

HCTZ confused with hydrocortisone

Sources

https://online.ecri.org/hubfs/ISMP/Resources/ISMP_ErrorProneAbbreviation_List.pdf