Term Definition
PRN as needed (pro re nata)
mEq milliequivalent
mg milligram
PC after meals
PR by rectum
PPD purified protien derivative (tb test)
q each day
QOD every other day
q4h every four hours
AC before meals
ASAP as soon as possible
BID twice a day
CHF chronic heart failure
COPD chronic obstructive pulmonary disease
CPR cardio pulmonary resucitation
FUO fever of undetermined origin
gtt glucose tolerance test or drop
gr grain
HSq at bed time
IM intramuscular
MAO morioamine oxidose
MRSA methicillin resistant staphylococcus aureus
MVI multivitamin injection
NKDA no known drug allergies
OD overdose (right eye)
NPO nothing by mouth
R/O rule out
sl sublingually, under the tongue
supp(os) suppository
cc cubic centameter
OS left eye
PO by mouth
Tbsp tablespoonful
TCN tetracycline
ung (oint) ointment
HCTZ hydrochlorothiazide
IV intravenously
W/O or s without
tsp teaspoon
Cap capsule
i one
i-ii one to two
NTG nitroglycerin
TID three times a day
QID four times a day
MR1X may repeat one time
MOM milk of magnesia
NTE not to exceed
NSAID non steroidal anti-inflammatory drug
PCN penicillin
AD right ear
wt weight
TPN total perenterel nutrition
Syr syrup or syringe
sol solution
PO orally
ou both eyes
NR no refill
inj injection
floz fluid ounce
EtOH alcohol
dr dram
chol cholesterol
BP blood pressure
au both ears
APAP acetaminophen (tylenol)
fldr fluid dram
ASA aspirin
BM bowel movement
H and H hemoglobin and hematocrit
CP chest pain
DAW dispense as written
FA folic acid
MS(O4) morphine sulfate
Dig digoxin
Fe(SO4) ferrous sulfate
HL heparin lock
K(+) potassium
KCL potassiun chloride
LR lactated ringers solution
LA long acting
ER ectended release
SR sustained release
CR controlled release
WA while awake
ECT enteric coated tablet
SCT sugar covered tablet
MPF methyl-paraben free (preservation free)
EPI epinephrine
DSS docusate sodium (colace)
DS double strength
(a triangle) change
DC discontinue or discharge
D5 dextrose 5%
D5W dextrose 5% on water
NS normal saline (0.9% sodium chloride)
ss half
ii two
iii three
mcg micrograms
g gram
kg killogram
ml milliliter
L liter
mM millimoles
oz ounce
pt pint
qt quart
gal gallon
lb pound
QS quantity sufficient
QTY quantity
Q every
q2h every two hours
qhs every bedtime
a before
p after
aft afternoon
am morning
pm or NOCT evening
ATC around the clock
h hour
min minute
d day
dai daily
w week
wk weekly
aa affected area
AS left ear
PV vaginally
SC subcutaneously
top topically
ID intradermaly
IT intrathecathy
IVPB intravenous piggy back
Dx diagnosis
HA headache
HTN hypertension
Inf infection
NKA no known allergies
N/V nausea and vomiting
OM otitis media
SOB shortness of breath
Tx treatment
UTI urinary tract infection
Amp ampule
Tab tablet
Cr cream
Elix elixer
Susp suspension
Dex dextrose
1/4 NS 0.22% normal saline
1/2 NS 0.45% normal saline
GI tube gastrointestinal tube
H2O or Aq water
NG tube nasal gastric tube
c or w/ with
DNS do not substitute
Disp dispence
OTC over the counter
Rx perscription
SIG directions
(greater than symbol) greater than
(less than symbol) less than
(up arrow) increase
(down arrow) decrease
BC birth control
COD codine
HC hydrocortisone
MTX methotrexate
OC oral contraceptive
PNV prenatal
SMZ/TMP sulfamethoxazole and trimethoprim
TAC triamcinolone

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