SIG Abbreviations Flashcards
q
every
qam
every morning
qpm
every evening (sunset; 6-9pm)
qhs
every night at bedtime
qd
every day
qod, qad
every other day
qh
every hour
q12, q12h
every 12 hours
q#, q#h
every # hours
q#-#, q#-#h
every #-# (e.g., every 4-6h.)
qw, qweek
weekly
bid
twice daily
tid
three times daily
qid
four times daily
prn
as needed; (typically given with freq. to prevent overdosing)
ac (ante cibum)
before a meal
pc (post cibum)
after a meal
cf
with food
stat
immediately
d/c, dc
discontinue
MDD
maximum daily dosage
p
after, post
PO
by mouth
NPO
not by mouth
RECT, PR
rectally
VAG, PV
vaginally
AT, top
apply topically
AAA
apply to affected area
IM
inject intramuscularly
SC, subQ
inject subcutaneously
IV
intravenously
SL
sublingually
IN
intranasally
NEB
via nebulizer
INH
by inhalation
ung., oint
ointment
cr
cream
tsp
teaspoon
tbsp
tablespoon
oz
ounce
sol
solution
susp
suspension
syr
syrup
liq
liquid
ER, XL, XR
extended release
LA
long acting
DR
delayed release
SR
slow release
SA
sustained action
CD
controlled diffusion
CR
controlled release
tab
tablet
cap
capsule
loz
lozenge
supp
suppository
amp
ampule
gtt
drop
gtts
drops
OU
both eyes
OS
left eye
OD
right eye
AU
both ears
AS
left ear
AD
right ear