PTCB Certified Pharmacy Technician (PTCE)Order Entry and ProcessingEasy

A patient is picking up a prescription and asks about the meaning of "PRN" on their label. What is the correct interpretation a pharmacy technician should provide?

  1. ATake every morning.
  2. BTake only if feeling unwell.
  3. CTake before meals.
  4. DTake as needed.
Show answer & explanation

Correct answer: D. Take as needed.

PRN is a common medical abbreviation for the Latin phrase "pro re nata," which means "as needed."

Why the other options are wrong

  • A. This is incorrect; 'qd' or 'qam' would mean every morning.
  • B. While often taken when unwell, 'as needed' is the precise meaning.
  • C. This is incorrect; 'ac' would mean before meals.

Common Prescription Abbreviations

Standardized shorthand used in prescriptions to convey instructions for medication use, dosage, and frequency.

  • Ensures clarity and efficiency in prescribing.
  • Misinterpretation can lead to medication errors.
  • Technicians must be proficient in recognizing and translating them.

Memory trick: Abbreviations: Learn the Code, Dispense the Load.

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