• Study
  • Published October 2015

Tallman lettering as a strategy for differentiation in look-alike, sound-alike drug names: the role of familiarity in differentiating drug doppelgangers.

This study found that Tallman lettering—in which specific letters in drug names are printed in capital letters to avoid being mistaken for a look-alike or sound-alike medication—led to more effective detection of changes between drugs by health care professionals and consumers. A prior WebM&M commentary discussed Tallman lettering as one strategy for improving the safety of look-alike and sound-alike medications.

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