1/109
mL/h
milliliters (of a drug administered) per hour (as through intravenous administrations)
mOsm or mOsmol
milliosmoles
oz
ounce
pt
pint
qt
quart
ss or s̅s̅ (a line on the top) (semissem)
one-half
tbsp.
tablespoonful
tsp
teaspoonful
ac
before meals
ad lib
at pleasure, freely
admin
administer
am
morning
aq
water
ATC
around the clock
bid
twice a day
c or c̅ (cum)
with
d
day
dil
dilute
h. or hr.
hour
hs
at bedtime
min
minute
m&n
morning & night
N&V
nausea and vomiting
noct
night
NPO
nothing by mouth
pc
after meals
pm
afternoon; evening
po
by mouth
prn
as needed
q
every
qAM
every morning
q4h, q8h, etc.
every (number) hours
qid
four times a day
rep
repeats
s
without
sid
once a day
sos
if there is need; as needed
aa
of each
ad
up to; to make
disp
dispense
div.
divide
dtd
give of such dose
ft
make
M
mix
No
number
non rep. or NR
do not repeat
qs
a sufficient quantity
qs ad
a sufficient quantity to make
Sig
write (directions on label)
BSA
body surface area
cm3
cubic centimeter or milliliter (mL)
f, fl
fluid
g
gram
flʒ or fʒe
fluid dram
flʒss or fʒsse
half-fluid ounce
Gal
gallon
gtt
drop
I.U. or IUb
international unit (s)
lb
pound
kg
kilogram
L
liter
m2 or M2
square meter
mcg or µg
microgram
mEq
milliequivalent
mg
milligram
mg/kg
milligrams (of drug) per kilogram (of body weight)
mg/m2
milligrams (of drug) per square meter (of body surface area)
mL
milliliter
UA
urine analysis
URI
upper respiratory infection
UTI
upper tract infection
amp.
ampule
cap
capsule
D5LR
dextrose 5% in lactated Ringer’s
D5NS
dextrose 5% in normal saline (0.9% sodium chloride)
D5W
dextrose 5% in water
D10W
dextrose 10% in water
elix
elixir
inj
injection
NS
normal saline
½ NS
half strength normal saline
oint or ungt.
ointment
pulv
powder
RL, R/L, LR
Ringer’s lactate or lactated Ringer’s
sol
solution
supp
suppository
susp.
suspension
syr
syrup
tab
tablet
ad
right ear
as
left ear
au
each ear
CIVI
continuous (24 hours) intravenous infusion
ID
intradermal
IM
intramuscular
IT
intrathecal
IV
intravenous
IVB
intravenous bolus
IVP
intravenous push
IVPB
intravenous piggyback