HENKE'S MED MATH CH. 3 DOSAGE CALCULATION,
PREPARATION & ADMINISTRATION
ac
before meals
pc
after meals
daily
every day, daily
bid
twice a day
tid
three times a day
qid
four times a day
qh
every hour
at bedtime
at bedtime, hour of sleep
qn
every night
stat
immediately
q2h or q2(degree symbol)
every 2 hours
q4h or q4degree
every 4 hours
q6h or q6(degree)
, every 6 hours
q8h or q8(degree)
every 8 hours
q12h or q12degree
every 12 hours
every other day
every other day
prn
as needed
3 times weekly
three times per week
biw
twice per week
AD
right ear
AL
left ear
AU
each ear
HHN
handheld nebulizer
IM
intramuscularly
IV
intravenously
IVP
intravenous push
IVPB
intravenous piggyback
PREPARATION & ADMINISTRATION
ac
before meals
pc
after meals
daily
every day, daily
bid
twice a day
tid
three times a day
qid
four times a day
qh
every hour
at bedtime
at bedtime, hour of sleep
qn
every night
stat
immediately
q2h or q2(degree symbol)
every 2 hours
q4h or q4degree
every 4 hours
q6h or q6(degree)
, every 6 hours
q8h or q8(degree)
every 8 hours
q12h or q12degree
every 12 hours
every other day
every other day
prn
as needed
3 times weekly
three times per week
biw
twice per week
AD
right ear
AL
left ear
AU
each ear
HHN
handheld nebulizer
IM
intramuscularly
IV
intravenously
IVP
intravenous push
IVPB
intravenous piggyback
