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49 terms

Prescription Abbreviations and Symbols

STUDY
PLAY
ā
ante
before
a.c.
ante cibum
before meals
a.m.
ante meridiem
before noon
b.i.d
bis in die
twice a day
d
day
h
hora
hour
h.s.
hora somni
at the hour of sleep (bedtime)
noc.
noctis
night
p (with line above it)
post
after
p.c.
post cibum
after meals
p.m.
post meridiem
after noon
p.r.n.
pro re nata
as needed
q
quaque
every
q.d.
quaque die
every day
qh
quaque hora
every hour
q2h
every 2 hours
q.i.d.
quarter in die
four times a day
q.o.d
quaque altera die
every other day
STAT
statium
immediately
t.i.d.
ter in die
three times a day
wk
week
yr
year
AD
auris dextra
right ear
ad lib.
ad libitum
as desired
amt
amount
aq
aqua
water
AS
auris sinistra
left ear
AU
auris unitas
both ears
c (with line over it)
cum
with
NPO
non per os
nothing by mouth
OD
oculus dexter
right eye
OS
oculus sinister
left eye
OU
oculi unitas
both eyes
per
by or through
p.o.
per os
by mouth
PR
per rectum
through rectum
PV
per vagina
through vagina
Rx
recipe; prescription
s (with line over it)
sine
without
Sig
signa
label; instruction to the patient
ss (with line over both)
semis
one-half
wa
while awake
x
times or for (x6 means six times, x2d means for 2 days)
>
greater than
<
less than
i
one
ii
two
iii
three
iv
four