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By
Prof. Dr. Osama Abd El-Azeem Soliman,Ph.D.
Professor of Pharmaceutics,
Faculty of Pharmacy, Mansoura University
First Year
Pharmacy Students
Clinical Pharmacy ProgramOrientation to Pharmacy
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Lecture (4)
Prescription
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THE PRESCRIPTION
A prescription is an order from a
1. Doctor (physician),
2. Dentist or
3. Veterinary surgeon (veterinarian)
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for the supply of a:-
1. Medicine (drugs),
2. Dressing or
3. Surgical appliance (tools)
to the patient.
It contains the following information :
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1- The date
2- The patient's name and address
3- The patient age (years or months)
4- The superscription (Rx)
5- The inscription
6- The Subscription
7- The Transcription or Signature
8- The prescriber Signature and
Address
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October 27th 20111
Mohamed Ali, El Kamal St.2
Age: 14 years3
Rx4
0.6 g0.3 g
Sodium bicarbonateSodium carbonate
5
Fiat: Pulv., mitte XX6
Sig. Pulv., I dose t.d.s.,7
Dr. Khalil8
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1- The date
It must written by prescriber
2- The patient's name and addressIt must written by the prescriber
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3- The patient age (years or months)
It must written by prescriber
For the child, the age is also given tohelp when the pharmacist is checkingthe dose.
4- The superscription
This is a sign Rx/ which is aninstructions to the pharmacist. It isderived from Latin word recipemeaning " taking ".
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5- The inscription
It contains a list of ingredients
and their quantities. It is calledthe base
The medicaments may beprescribed as :
A- An Official
N.F; B.P.C; or B.P preparation,together with the quantityrequired.
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B- Proprietary Product
Together with the quantity
required.
C- Special FormulaIn which, the quantity of eachingredient will be stated together
with a description of the type ofpreparation, e.g. mixture, lotion,tablet.
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6- The Subscription:
It includes the instructionsto the pharmacist for:
1. Compounding of the severalingredients into a form
suitable for use by thepatients,
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2. The class of preparation
[capsules, ointment,mixture, etc.].
3. Also the number of doses
to be prepared isindicated.
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7- The Transcription or Signature
It includes the instructions to the
patient for the use of theprescription.
8- The prescriber Signature andAddress
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Types of Prescription:
1-Simple prescription2- Compound or complex prescription
3-Narcotic prescription
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1- Simple prescription
In which the inscriptionconsists of one or two substancesas active ingredients.
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2- Compound or complexprescription
In which the inscription maycontain four distinct portions,Known as:-
1. the basis,
2. the adjuvant,3. the corrective and
4. the vehicle.
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1- The base
Is the main activeingredient, and from it, the
patient will derive anyother ingredients
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2- The adjuvant
Is that medicament
included to aid or assistthe basis, it enhances its
activity.
3 Th ti
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3-The corrective
Is that substance or those
substances added to qualifythe action of the basis andadjuvant.
Correctives are used tomake other drugs lessirritating or to serve asflavoring agents i.e. mask theodor and taste.
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4-The vehicle
Is added to dilute the
active constituents to areasonable dose, so that thepatient can take the dose byhousehold measures.
d id
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The vehicle is usually devoid oftherapeutic activity and simply
act as a diluent.It may be:-
1. distilled water,2. aromatic water,
3. infusion or decoction.
It forms the medium which thesubstances are dissolved or
suspended.
S i i h
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Sometimes it may has an
auxiliary or subsidiary medical
action.Also, it may has a
preservative or sweeteningeffect e.g. chloroform water, or
It has a flavoring effect such
as peppermint water, anisewater etc.
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3- Narcotic prescription
Is that, the prescription which
contains a narcotic substance
or contain other habit forming
drugs.
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It must include, in addition to thecontents of the simple
prescription, the address of the patient,
the narcotic registration numberof the prescriber.
S h i ti h ld b
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Such prescription should be:
1. written by ink or typewriter.
2. The quantities of the narcoticsubstance must be written inwords and numbers.
3. The prescription should bestored in a special file which
must be opened all times forinspection by the properauthorities.
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12-10-20011
36 yearsAge2
Marwa Ahmed
10 El-Gendy street
3
Rx4
3 (three ampoules)Morphine ampoules5
Fiat: Ampoules6
Sig. Ampoule I (one)
when the pain is sever
7
Dr. Ibrahim Ali8
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