Total Prescriptions (TRx)
A pharmaceutical sales metric counting all prescriptions dispensed for a drug in a period, combining new and refill scripts. Brand teams track TRx to gauge market share, prescriber adoption, and the commercial performance of a product.
What does Total Prescriptions (TRx) measure?
Total Prescriptions (TRx) is a pharmaceutical sales metric that counts every prescription dispensed for a drug during a given period, combining both new prescriptions and refills. It reflects the overall volume of a product moving through pharmacies.
TRx is typically tracked over weekly or monthly intervals and is often compared against new prescriptions (NRx) to separate fresh demand from continuing use among existing patients.
Why do brand teams track TRx?
TRx is a core indicator of a drug's commercial performance, market share, and prescriber adoption. Rising TRx suggests a product is gaining traction, while flat or declining numbers can prompt teams to revisit messaging, access barriers, or competitive pressure.
Because it captures total dispensed volume, TRx gives brand and analytics teams a steady read on the real-world uptake of a therapy across the prescriber base, complementing leading indicators like new-prescription growth.
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