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Prescription Terms

Prescription Terms & Abbreviations

Prescription abbreviationPrescription term
a before
ac before meals
ad lib as desired
AM morning
ASAP as soon as possible
BID twice a day
c with
d day
h hour
hs bedtime (hour of sleep)
mo month
p after
pc after meals
PM evening
PRN as needed
q every
qAM every morning
QD every day
q4h every four hours
QID four times a day
QOD every other day
qPM every evening
rep repeat
STAT NOW-immediately
TID three times a day
UD as directed
wk week
i 1
ii 2
iii 3
iv 4
v 5
vi 6
vii 7
viii 8
ix 9
x 10
xii 12
xv 15
xvi 16
xx 20
xxx 30
L 50
C 100
D 500
M 1000
ss 1/2
cc cubic centimeter
g, G, GM gram
gal gallon
gr grain
L liter
lb pound
mEq milliEquivalent
mcg microgram
mg milligram
mL milliliter
no. number
oz ounce
pt pint
qt quart
tsp teaspoon
tbsp one tablespoon
BP blood pressure
c with
D/C discontinue
Disp dispense
HA headache
non rep no refill
N/V nausea and vomiting
qs, qsad fill up to
Rx prescription; take
s without
Sig signatura; directions for the patient
sx symptoms
T, temp temperature
< less than
> more than
Created by: nanalipgloss



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