Ac
Before meals
0730,1130,1630
Pc
After meals
1000, 1400, 1800
Daily
Every day 9 am (0900)
Bid
Twice a day 9 am (0900) and 9 pm (2100)
Tid
Three times a day
0600,1400,2200
Qid
Four times a day
0600,1200,1800,0000
Qh
Every hour
Qn
Every night
Stat
Immediately
q2h
Every 2 hours
12 times in 24 h
q4h
Every 4 hours
6 times in 24 h
q6h
Every 6 hours
4 times in 24 hours
q8h
Every 8 hours
3 times in 24 hours
q12h
Every 12 hours
2 times in 24
Prn
As needed
Biw
Twice per week