What is a Prescription? A physician's order for the preparation and administration of a drug or...
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Transcript of What is a Prescription? A physician's order for the preparation and administration of a drug or...
A physician's order for the preparation and administration of a drug or device for a patient.
The word "prescription" also comes from the Latin "praescriptus" and is made up of "prae," before + "scribere," to write, so that prescription meant "to write before." This reflected the historic fact that a prescription had traditionally to be written before a drug could be prepared and then administered to a patient..
The superscription or heading with the symbol "R" or "Rx", which stands for the word recipe (meaning, in Latin, to take)
The inscription, which contains the names and quantities of the ingredients;
The subscription or directions for compounding the drug; and
The signature which is often preceded by the sign "s" standing for signa (Latin for mark), giving the directions to be marked on the container.
Patient informationSuperscriptionInscriptionSubscriptionSignaDate Signature lines, signature, degree, generic substitutionPrescriber informationDEA# if requiredRefillsWarnings
InscriptionWhat does the pharmacist take off the shelf?
Dose = Quantity of drug per dose formDose Form = The physical entity ingested,
i.e. tablet, suspension, capsuleSimple Vs compound prescriptionsManufactured Vs compounded prescriptions
SubscriptionWhat is the pharmacist to do with the
ingredients?
Dispense how much medicine to put in the bottle
For controlled substances write in numbers and letters
Signa, signature or transcriptionInstructions for the patientNumber of dosage units per dose (Take one Tablet,
give two teaspoonfuls, etc.Route of administration by (mouth, rectally, nasally,
etc.)Frequency of dosing (every six hours, once a day, etc.)Duration of dosing (… for seven days,..until gone, ..if
needed for pain)Purpose of the prescription (goes on label)Special instructions (shake well, refrigerate, etc.)Warnings
Signature of the prescriberMakes the prescription a legal documentInclude degreeTwo signature lines required Dispense as written Substitution permitted
Date prescribedScheduled II drugs can only be dispensed
within 7 days of data on RXAll prescriptions expire after one yearCV-CIII can be filled for 5 times in 6 months
maximum
Prescriber identificationNameFor controlled substances: Address Phone DEA printed or stamped on the RX Drug Enforcement Agency (DEA)-
US Government
Renewal instructions or refill informationIndicate either no refills or the number of
refills you wantProper use insures patient gets the amount of
drug you intend
To obtain any benefit from a prescriptionThe prescription order must be filledThe patient must take the medicationThe patient is monitored for untoward
reactions
How Often To Take Medication Abbreviations
Abbreviation Meaningad lib freely, as needed
bid twice a day
prn as needed
q every
q3h every 3 hours
q4h every 4 hours
qd every day
qid four times a day
qod every other day
tid three times a day
When to Take Your Medication Abbreviations
Abbreviations Meaning
ac before meals
hs at bedtime
int between meals
pc after meals
How Much Medication To Take Abbreviations
Abbreviation Meaning
caps capsule
gtt drops
i, ii, iii, or iiii – the number of doses (1, 2, 3, 4)
mg milligrams
ml milliliters
ss one half
tabs tablets
tbsp tablespoon (15 ml)
tsp teaspoon (5 ml)
How to Use Your Medication Abbreviations
Abbreviation Meaning
ad right ear
al left ear
c or o with
od Right eye
os left eye
ou both eyes
po by mouth
s or without
sl sublingual
top apply topically
sig Before directions on the pres. (let it be labeled.
How to Read a Prescription Sample 1Diagnosis is high cholesterolZocor 10 mg.
This is the name of the medication and the dose.Sig: i po qhsYour instructions are to take 1 pill, by mouth, at bedtime.Dispense #90You will be given 90 pills, enough for about 3 months.Refill 0 timesYour doctor has indicated no refills, most likely because she would like to check your blood cholesterol and then decide if you need more medication or a different dose.DAW left blankYour pharmacist will most likely give you simvastatin, the generic version of Zocor.
How to Read a Prescription Sample 2Diagnosis is type 2 diabetesGlucophage 500 mg.
This is the name of the medication and the dose.Sig: i po bid pcYour instructions are to take 1 pill, by mouth, twice each day, after meals - this means that you should take this medication right after breakfast and right after dinner.Dispense #90You will be given 90 pills, enough for about 3 months.Refill 3 timesYour doctor has indicated 3 refills, enough medication for one year. This may mean that your diabetes is "stable" and well controlled on this medication.DAW left blankYour pharmacist will most likely give you metformin, the generic version of Glucophage
How to Read a Prescription Sample 3Diagnosis is high blood pressureDiovan 40 mg.
This is the name of the medication and the dose.Sig: i po qdYour instructions are to take 1 pill, by mouth, once each day - you most likely can take this medication either before or after a meal since your doctor did not say otherwise.Dispense #90You will be given 90 pills, enough for about 3 months.Refill 0 timesYour doctor has indicated no refills, most likely because she would like to check your blood pressure and then decide if you need more medication or a different dose.DAW left blankYour pharmacist will give you Diovan since there is no generic available for this drug