Tachistoscopic Study on the Impact of Net Quantity and Dosage Strength Proximity on Dosage Strength Recognition in Prescription

Abstract

A study was conducted to assess the impact of two different drug label layouts on pharmacy practitioners’ ability to correctly extract critical information. The present study specifically focused on the placement of numeric information such as drug dosage strength and net quantity in the template. While most existing drug labels separate quantity (e.g., “20 tablets”) from strength (e.g., “100 mg”) by placing them far apart, the new template displayed both pieces of information in close proximity. As a result, concern arose regarding the potential interference caused by two numeric pieces of information being so close to each other.

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