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Medical Abbreviations

OD right eye
OS left eye
OU both eyes
BP blood pressure
CBC complete blood count
c/o complains of
CC chief complaint
Dx diagnosis
Tx treatment
Fx fracture
Hx history
Sx signs and symptoms
FBS fasting blood sugar
H/O history of
IM intramuscular
ID intradermal
Sub Q, SC subcutaneous
IV intravenous
Inj. injection
LMP last menstrual period
NKDA no known drug allergies
g gram
mg milligram
mcg microgram
ml milliliter
OTC over-the-counter
Rx prescription
T time and temperature
p.o. by mouth
npo nothing by mouth
p.r.n. when necessary
q.4.h. every four hours
qid four times a day
tid three times a day
bid twice a day
ADL activities of daily living
SOB shortness of breath
WNL within normal limits
WBC white blood cell
RBC red blood cell
Created by: ruthalcala