ac
Before meals
ad
Right ear
am
Morning
as
Left ear
ASAP
As soon as possible
au
Both ears
bid
Two times daily
tid
Three times daily
qid
Four times daily
q4h
Every 4 hours
q
Every
c
With
d
Day
DAW
Dispense as written
gtts
Drop
h or hr
Hour
i
One
ii
Two
iii
Three
iv
Four
od
Right eye
opth
Ophthalmic (eye-related)
os
Left eye
otic
For the ear