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health advisory Hospital Doctor Yu 2007-11-8 19:08:08

Answers:

鈩?quot; (also written as "Rx") and "medical prescription" are sometimes used interchangeably. The use of 鈩?in prescriptions originated as an astrological symbol that was written for talismanic reasons at the start of medical prescriptions. Later it changed into 鈩?(an uppercase R with its tail crossed), and was used as an abbreviation for the Latin word recipe = "take" (imperative), i.e. an instruction to the pharmacist to take the items listed in order to prepare the medicine. When printing came, it was rendered as "Rx"

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That is an old Greek instruction for the apothecary meaning "Take thou".

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In the olden days medicine was prepared by chemists who literally mixed the ingridients. The preparation for a particular drug was titled 'Recipiere 'drug name'. Nowadys it is shortened as Rx

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Rx is shorthand for prescription.

Here's from Wikipedia:

(Rx)originated as an astrological symbol that was written for talismanic reasons at the start of medical prescriptions. Later it changed into an uppercase R with its tail crossed, and was used as an abbreviation for the Latin word recipe = "take" (imperative), i.e. an instruction to the pharmacist to take the items listed in order to prepare the medicine. When printing came, it was rendered as "Rx"

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it is the presciption note or symbol for the chemist to prepare the drug in previous centuries,remained by now as an order to give prescribed drugs for the pharmacologist & in the pharmacy.

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It is the direction to a pharmacist to prepare the following drug. Similar is the word Sig: which is to label with instructions on how the patient is to take the medication.

A normal prescription would read

Rx

MOM (Milk of Magnesia or Magnesia magma) Drug

120 ml. Quantity

Sig: 10 ml. PRN (as needed) Directions

Sometimes we write X3..which means the prescription may be refilled three times.

sometimes we write tabs II q4h which is 2 tablets every four hours. We use other obscure expressions like gtts (drops), or b.i.d. (twice a day) or like KI 8 gtts and a C with a line over it to mean with H20. It is a medical short-hand saves writing out long prescriptions.

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