P.O. (per os)
By mouth
NPO
nothing by mouth
(A); ax
Axillary
E.E.N.T
Eye, ear, nose, and throat
G.U.
Genito - urinary
q (q)
Every
qh
Every hour
q2h
Every 2 hours
BID (bid)
Two times a day
TID (tid)
Three times a day
wk
Week
stat
At once/ immediately
ad lib
As desired
PRN (prn)
Whenever necessary
a.c.
Before meals
p.c.
After meals
Noct.
At night
T.P.R.
Temperature, pulse, respiration
B/P (B.P.)
Blood pressure
V.S.
Vital signs
B.M.
Bowel movement/defecate
B.R.
Bathroom
B.R.P.
Bathroom privileges
R.O.M.
Range of motion