Dosage Calc Flashcards
ac
before meals
pc
after meals
daily
every day
bid
twice a day
tid
three times per day
qid
four times per day
qh
every hour
q2h
every two hours
q4h
every four hours
q6h
every six hours
ad lib
as desired
stat
immediately
prn
as needed
PO
by mouth
IM
intramuscularly
GT
gastronomy tube
IV
intravenous
IVP
intravenous push
PR
per rectum
IVPB
intravenous piggyback
SL
sublingual (under tongue)
NG
nasogastric tube
ID
intradermal
OS
left eye
OD
right eye
OU
both eyes
tab(s)
tablet
cap(s)
capsule
gtt
drop
EC
enteric coated
CR
controlled release
susp
suspension
el(ix)
elixir
sup(p)
suppository
SR
sustained release
g(m)
gram
mg
milligram
mcg
microgram
kg
kilogram
L
liter
mL
milliliter
mEq
milliequivalent
gtt
drop
min (m) (mx)
minim
tsp
teaspoon
pt
pint
gal
gallon
dr
dram
oz
ounce
T(bsp) (tbs)
tablespoon
qt
quart
1 mL to gtts
1 mL = 15 gtts
1 tsp to mL
1 tsp = 5 mL
4mL to gtts
4 mL = 60 gtts
15 mL to tbsp and tsp
15 mL = 1 tbsp or 3 tsp
30 mL to oz to tbsp
30 mL = 1 oz or 2 tbsp
240 mL to oz to cups
240 mL = 8 oz or 1 cup
500 mL to pt to oz to cups
500 mL = 1 pt or 16 oz or 2 cups
1000 mL to L/qt/oz/pt
1000 mL = 1 L/1 qt/32 oz/2 pt
4000 mL to gal to qt
4000 mL = 1 gal or 4 qts
1 mg to mcg
1 mg = 1000 mcg
60 mg to gr
60 mg = 1 grain (gr)
1 g to gr to mg
1 g = 15 gr or 1000 mg
454 g to oz to lbs
454 g = 16 oz = 1 lb
1 kg to g to lbs
1 kg = 1000g or 2.2 lbs
Formula method for dosages
D / H times V = A D = required dose H = stocked dose V= stocked vol A = required vol
Proportion method
D / H = A/ V
