Prescription shortcuts

a.c. before meals
a.d. right ear
a.s. left ear
a.u. both ears
amp. ampule
b.i.d. twice a day
c. with
cap. capsule
cc cubic centimeter
disp. dispense
g or gm gram
gtt(s). drop(s)
h. hour
h.s. at bedtime
IM intramuscular
IP intraperitoneal
IV intravenous
lb. pound
m2 meter squared
mg. milligram
ml. milliliter
o.d. right eye
o.s. left eye
o.u. both eyes
p.c. after meals
p.o. by mouth
p.r.n. as needed
q. every
q4h, etc every 4 hours
q.i.d. four times a day
q.o.d. every other day
q.s. a sufficient quantity
q4h every 4 hours, etc.
s.i.d. once a day
Sig: directions to pt.
stat immediately
SubQ, SQ, SC, Subcut
subcutaneous
susp. suspension
t.i.d. three times a day
tab tablet
Tbsp. tablespoon (15 ml)
tsp. teaspoon (5 ml)
Ut dict. as directed