Q
Every
QD
Everyday
BID
Twice a day
TID
Three times a day
QID
Four times a day
QOD
Every other day
a
a
AC
Before meals
P
After
PC
After meals
HS
Bedtime
PO
By mouth
SL
sublingual
PRN
As needed
UD
As directed
QAM
Every morning
TSP
Teaspoon
TBL or TBS
Tablespoon
SS
One half
C
With
BIW
Twice a week
t
Take one
TT
Take two
TTT
Take three