What type of order is written for a patient by a licensed practitioner to be filled by a pharmacist?

A prescription is a formal order written by a licensed practitioner that authorizes a pharmacist to dispense medication to a patient. It contains specific information such as the patient's name, medication name, dosage, and instructions for use, which allows the pharmacist to prepare and provide the medication according to the healthcare provider's recommendations.

Prescriptions are an essential part of the healthcare process, ensuring that medications are prescribed and dispensed safely and appropriately. This process also involves assessing the patient's needs, which is why a licensed practitioner must create the order rather than just the pharmacist or another party.

In contrast, the other options refer to different contexts in medication use. For example, unit dose refers to a specific method of drug dispensing where each dose is packaged separately, typically for hospital settings. PRN orders are for medications to be given as needed rather than on a regular schedule. Over-the-counter medications do not require a prescription and can be purchased directly by consumers without a licensed practitioner's approval.