Abbreviations- Dosage Calculations
Phamarcology
a - ansBefore
ac - ansa.c.: Abbreviation on a prescription meaning before meals; "ante cibum", before
meals.
ad lib - ans"ad libitum" meaning "at pleasure" and "at one's pleasure
aq - ansWater
asap - ansas soon as possible
bid - ansb.i.d. (on prescription): Seen on a prescription, b.i.d. means twice (two times) a
day
c - ansWith
cap - ansLet the patient take it
DAW - ansDispense as written
et - ansAnd
GT - ansGastric tube
gtt - ansdrop
h - ansHour
hs - ansBefore sleep
ID - ansinfectious disease identifying data
IM - ansInternal medicine; intramuscular.
IV - ansintravenous
IVPB - ansintravenous piggyback
min - ansMinute
