Pharmacology Abbreviations Flashcards
ac
before meals (ante cibum)
ad lib
as much as desired (ad libitum)
bid
twice daily (bis in die)
BSA
body surface area
cal
calorie
cap
capsule
cc
cubic centimeter (same as mL)
cm
centimeter
conc
concentration
dr
dram; equal to 1/8 oz or 4 mL
D5W
5% dextrose in water (the 5 in D5W should be in subscript)
ED
effective dose
ED50
median effective dose (the 50 should be in subscript)
fl oz
fluid ounce
g
gram
gal
gallon
gr
grain; unit of weight approximately 65 mg
gt
drop (gutta)
gtt
drops (guttae)
hr
hour
IA
intra-arterial
IC
intracardiac
ID
intradermal
IM
intramuscular
IP
intraperitoneal
IT
intrathecal
IU
International Unit or intrauterine
IV
intravenous
kg
kilogram
km
kilometer
L or l
liter
lb or #
pound
LD
lethal dose
LRS
lactated Ringer’s solution
m
meter
MBC
minimum bactericidal concentration
mcg or μg
microgram
MED
minimal effective dose
mEq
milliequivalent
mg
milligram
MIC
minimum inhibitory concentration
MID
minimum infective dose
mL
milliliter (same as cc)
MLD
minimum lethal dose
mm
millimeter (also used for muscles)
NPO or npo
nothing by mouth (non per os)
NS
normal saline
NSAID
nonsteroidal anti-inflammatory drug
OTC
over the counter
oz
ounce
pc
after meals (post cibum)
PDR
Physician’s Desk Reference (book)
%
percent
pH
hydrogen ion concentration (acidity and alkalinity measurement)
PO or po
orally (per os)
ppm
parts per million
PR
per recturm
prn
as needed
pt
pint
PZI
protamine zinc insulin
q
every
qd
every day
qh
every hour
q4h
every 4 hours
q6h
every 6 hours
q8h
every 8 hours
q12h
every 12 hours
q24h
every 24 hours
qid
four times daily (quarter in die)
qn
every night
qod or eod
every other day
qp
as much as desired
qt
quart
®
registered trade name (superscript next to drug name)
sid
once daily (q24 is more common abbreviation for once daily)
sig
let it be written as (used when writing prescriptions)
sol’n or soln
solution
SQ, SC, subq, or subcu
subcutaneous
T
tablespoon or tablet (or temperature)
tab
tablet
qn
every night
qod or eod
every other day
qp
as much as desired
qt
quart
®
registered trade name (superscript next to drug name)
sid
once daily (q24 is more common abbreviation for once daily)
sig
let it be written as (used when writing prescriptions)
sol’n or soln
solution
SQ, SC, subq, or subcu
subcutaneous
T
tablespoon or tablet (or temperature)
tab
tablet
tid
three times daily (ter in die)
tsp or t
teaspoon
vol
volume
VPB
Veterinary Pharmaceuticals and Biologicals (book)