TUD
Take as directed
UD
As directed
AN
As needed
PO
By mouth
QD
Every day
QOD
Every other day
QON
Every other night
BID
Twice a day
TID
3 times a day
QID
4 times a day
HS
At bedtime
Q3
Every 3 hours
Q4
Every 4 hours
QS12
Every 8 to 12 hours
828
At 8am, 2pm, and 8pm
848
At 8am, 4pm, and 8pm
AM
In the morning
PM
In the evening