a.c
Before meals
ad. Lib.
As desired
ADL
Activities of daily living
Ax.
Axillary
Bid
Twice a day
BMR
Basal metabollic rate
BP
Blood pressure
c.c.
With
Cap
Capsule
Gtt
Drop
h.s.
Hours of sleep
IM
Intramuscular
IV
Intravenous
mcgtt
Microdrop
Od
Once a day
OD
Right eye
OS
Left eye
OU
Both eye
o.m.
Every morning
p.c.
After meal
p.o.
By mouth
p.r.n.
As necessary/needed
q.h.
Every hour
q.i.d.
Four times aday