TIME ABBREVIATION
TIME ABBREVIATION 2
TIME ABBREVIATION3
TIME AND ROUTE ABBREVIATION 3
ROUTE ABBREVIATION
100
Before meals
ac
100
Four times a day
qid
100
Every 2 hours
q2h or q20
100
Every other day DO NOT USE qod q.o.d
Every other day
100
Left ear DO NOT USE AL
Left ear
200
After meals
pc
200
Every hour
qh
200
Every 4 hours
q4h or q4o
200
As needed
prn
200
Each ear DO NOT USE AU
Each ear
300
Every day, daily DO NOT USE qd q.d.
daily
300
At bedtime, hour of sleep DO NOT USE hs h.s
at bedtime
300
Every 6 hours
q6h or q6o
300
Three times per week DO NOT USE tiw, t.i.w.
3 times weekly
300
Handhelde nebulizer
HHN
400
Twice a day
bid
400
Every night
qn
400
Every 8 hours
q8h or q8o
400
Twice per week
biw
400
Intramuscularly
IM
500
three times a day
tid
500
Immediately
stat
500
Every 12 hours
q12h or q12o
500
Righ ear DO NOT USE AD
Righ ear
500
Intravenously
IV
M
e
n
u