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PSNet: Patient Safety Network
Fact Sheet/FAQs

FDA and ISMP Lists of Look-Alike Drug Names With Recommended Tall Man Letters.

Institute for Safe Medication Practices; ISMP.

Mistakes associated with look-alike medication names are a safety concern in health care. Tall Man lettering is one recommended strategy to reduce confusion associated with similarities in drug names. This list includes medications recognized by clinicians and professional organizations as those suited for the application of Tall Man lettering to make their use safer.