What is PNR on a Prescription?: Deciphering the 'As-Needed' PRN Abbreviation
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4 min read
According to research on medical terminology, the acronym **PNR** is likely a simple error for the very common and crucial medical abbreviation **PRN**. Understanding **what is PNR on a prescription** (or rather, the correct term) is vital for patients to take their medication safely and effectively. PRN, which stands for the Latin phrase *pro re nata*, literally means "as the thing is needed".
