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Concept
Medical prescription
Summary
A prescription, often abbreviated or Rx, is a formal communication from a physician or other registered healthcare professional to a pharmacist, authorizing them to dispense a specific prescription drug for a specific patient. Historically, it was a physician's instruction to an apothecary listing the materials to be compounded into a treatmentthe symbol (a capital letter R, crossed to indicate abbreviation) comes from the first word of a medieval prescription, Latin (), that gave the list of the materials to be compounded.
The symbol , sometimes transliterated as "Rx" or "Rx", is recorded in 16th century manuscripts as an abbreviation of the late Latin instruction recipe, meaning 'receive'. Originally abbreviated Rc, the later convention of using a slash to indicate abbreviation resulted in an R with a straight stroke through its right "leg". Medieval prescriptions invariably began with the instruction from the physician to the apothecary to "take" certain materials and compound them in specified ways.
For a communication to be accepted as a legal medical prescription, it needs to be filed by a qualified dentist, advanced practice nurse, physician, or veterinarian, for whom the medication prescribed is within their scope of practice to prescribe. This is regardless of whether the prescription includes prescription drugs, controlled substances, or over-the-counter treatments.
Prescriptions may be entered into an electronic medical record system and transmitted electronically to a pharmacy. Alternatively, a prescription may be handwritten on preprinted prescription forms that have been assembled into pads, or printed onto similar forms using a computer printer or even on plain paper, according to the circumstances. In some cases, a prescription may be transmitted orally by telephone from the physician to the pharmacist. The content of a prescription includes the name and address of the prescribing provider and any other legal requirements, such as a registration number (e.g., a DEA Number in the United States).
Official source
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