QOD
Every other day
QD
Every day (daily)
BID
Twice daily
TID
Three times daily
QID
Four times daily
QAM
Every morning
QPM
Every evening
Qwk
Every week
Qmo
Every month
H
Hours
D
Days
SID
Once daily (used only by veterinarians)
º
Hours (e.g. Q6º = every 6 hours)
hs
Bedtime
ac
Before meals
cf
With food
wf
With food
pc
After meals
WA
While awake
ATC
Around the clock
NTE
Not to exceed
PRN
As needed
STAT
Immediately