The "R" symbol commonly seen in pharmacy, particularly on prescriptions, actually represents "Rx," which is short for the Latin word "recipe," meaning "to take."
Therefore, while "R" might appear as part of a pharmacist's practice, especially when writing or interpreting prescriptions, it signifies a direction to the patient to take the prescribed medication. It's an instruction originating from the prescriber (doctor, etc.) to the pharmacist to dispense the medication and, by extension, to the patient to use it as directed.