AD - ANSright ear (auris dextra)
AS - ANSleft ear (auris sinistra)
AU - ANSboth ears (auris uterque)
ac - ANSbefore meals
ad lib - ANSas desired
ASAP - ANSas soon as possible
bid - ANStwice a day
c - ANSwith
cc - ANScubic centimeter
cap - ANScapsule
d/c - ANSdiscontinue
dil - ANSdilute or dissolve
elix - ANSelixir
gm - ANSgram
gr - ANSgrain
gtt - ANSdrop
h/hr - ANShour
Hs,hs - ANShour of sleep (bedtime)
kg - ANSkilogram
L - ANSliter
, MAR - ANSmedication administration record
MDI - ANSmetered dose inhaler
mEq - ANSmilliequivalent
mg - ANSmilligram
ml - ANSmilliliter
NPO - ANSnothing by mouth
OD - ANSright eye (oculus dexter)
OS - ANSleft eye
OU - ANSboth eyes
OTC - ANSover the counter
otic - ANSear
ophth - ANSeye
oz - ANSounce
pc - ANSafter meals
po - ANSby mouth
PR - ANSper rectum
PRN - ANSas needed
q - ANSevery
q am - ANSevery morning
qd - ANSevery day
qh - ANSevery hour
q 2h - ANSevery 2 hours