Prescription Abbreviations and Symbols Flashcards
ā
before
a.c.
before meals
a.m.
before noon
b.i.d.
twice a day
d
day
h
hour
h.s.
at the hour of sleep (bedtime)
noc.
night
p (with a line over it)
after
p.c.
after meals
p.m.
after noon
p.r.n.
as needed
q
every
q.d.
every day
qh
every hour
q2h
every 2 hours
q.i.d.
four times a day
q.o.d.
every other day
STAT
immediately
t.i.d.
three times a day
wk
week
yr
year
AD
right ear
ad lib.
as desired
amt
amount
aq
water
AS
left ear
AU
both ears
c (with a line over it)
with
NPO
nothing by mouth
OD
right eye
OS
left eye
OU
both eyes
per
by or through
p.o.
by mouth
PR
through rectum
PV
through vagina
Rx
prescription; recipe
s (with a line over it)
without
Sig
label; instruction to patient
ss (with a line over it)
one-half
wa
while awake
x
times or for
>
greater than
less than
i
one
ii
two
iii
three
iv
four
I, II, III, IV, V, VI, VII, VIII, IX, X
roman numerals 1-10 uppercase
