1
Q
a.c.
A
before meals
2
Q
as tol
A
as tolerated
3
Q
APAP
A
Acetaminophen; Tylenol
4
Q
aq.; AQ
A
water
5
Q
ASA
A
aspirin
6
Q
ATC
A
Around the clock
7
Q
AMA
A
against medical advice
8
Q
ax
A
axillary
9
Q
ant.
A
anterior
10
Q
ADH
A
antidieuritic hormone
11
Q
amt.
A
Amount
12
Q
@
A
at
13
Q
amp.
A
ampule
14
Q
AV
A
arteriovenous
15
Q
ā
A
before
16
Q
a.m.; A.M.
A
morning; before noon
17
Q
ad lib.
A
As much as desired
18
Q
a.s.;AS
A
left ear
19
Q
AP
A
anteroposterior
20
Q
ASAP
A
as soon as possible
21
Q
aa
A
of each
22
Q
a.u.;AU
A
Both Ears
23
Q
AAA
A
Apply to affected area
24
Q
AD
A
right ear
25
ad sat.
To saturation
25
ad.
To; up to
26
alt.
Alternate
27
alt. h.
Every other hour
28
ante
Before
29
ap
Before dinner
30
ADR
Adverse Drug Reaction
