od
Right eye
ou
Both eyes
q
Every
qh
Every hour
qid
Four times a day
pc
After meals
po
By mouth
prn
As needed
qd
Every day
qhs
At bedtime
qod
Every other day
sig
Write on label
tid
Three times a day
Stat
Immediately / now
gt(ts)
drop(s)
os
Left eye
HBP
High blood pressure
hs
Bedtime
aa
Of each
aa
Of each
ac
Before meals