aa
affected area
a.c.
before meals
ABW
actual body weight
ad
up to
a.d.
right ear
a.m.
morning
amp
ampule
APAP
acetaminophen
Aq
water
a.s.
left ear
ASA
aspirin
ATC
around the clock
a.u.
each ear
b.i.d.
twice a day
b.i.w.
twice a week
BMI
body mass index
BSA
body surface area
BW
body weight
C
centrigrade
c or (c with line over it)
with
cap
capsule
cc
cubic centimeter
cr, crm
cream
d
day