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Rx Abbreviations

Commonly used abbreviations in prescriptions

aa of each
ac before meals
ad lib as desired at liberty
AM morning
amp ampule
aq water
bid twice a day
cap capsule(s)
cm centimeter(s)
d daily or day
DAW dispense as written (no generic)
DC discontinue
DEA Drug Enforcement Administration
disp dispense
dx diagnosis
elix elixir
eq equivalent
FDA Food and Drug Administration
gen generic
gr grain(s)
gtt drop(s)
hr hour(s)
ID intradermal(ly)
IM intramuscular(ly)
inj injection
IV intravenous(ly)
kg kilogram(s)
L liter(s)
liq liquid(s)
lot lotion
mcg microgram(s)
MDI metered dose inhaler
mg milligram(s)
min minute(s)
mist mix
mL milliliter(s)
mm millimeter(s)
neb nebulizer
noct night
NPO nothing by mouth
nr no refills
od right eye
os left eye
OTC over the counter
ou both eyes
oz ounce(s)
pc after meals
PDR Physician’s Desk Reference
per by means of or through
PM evening or nighttime
po by mouth
pr rectally
q every
q2h every two hours
q4h every four hours
qam every morning
qd every day
qhs before sleep
qid four times a day
rf refill(s)
s (with overbar) without
S or Sig signature
SL sublingually
subcut subcutaneous
stat immediately
sup suppository
sx symptoms
syr syrup
tab tablet
Tbsp tablespoon
tid three times a day
tiw three times a week
tsp teaspoon
tx treatment
ud or utd as directed
ung ointment
vag vaginally
VO verbal order
X times
YO years old
rx prescription
Created by: Kira.Burgoyne