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Sig Codes

prn as needed
qid four times a day
qd daily, once a day
apap acetaminophen
bid twice a day
tid three times a day
disp dispense
ss sliding scale
s/s sign and symptoms
hs at bedtime
sig directions
cap capsule
po by mouth
d day
qam in the morning
q4h every four hours
w/ with
g, gm gram
gr grain
IM intramuscular
IV intravenous
h hour
ac before meals
kg kilogram
L liter
mcg microgram
OTC over the counter
mg milligram
ml millimeter
oz ounce
q or Q every, each
NPO nothing by mouth
NR no refill, no repeat
qh every hour
qod every other day
tab tablet
Rx prescription
top topical
SL, sl sublingual
supp suppository
SQ, SC subcutaneous
asap as soon as possible
lbs pounds
tsp teaspoon
tbsp , Tbp tablespoon
pt pint
gal gallon
qt quart