ad

right ear/up to

 as

left ear

au

each ear

im

intramuscular

iv

intravenous

ivpb

intravenous piggy-back

od

right eye/overdose

os

left eye

ou

each (both) eyes

pc

after meals

po

by mouth, orally

pr

rectally

prn

as needed

pv

vaginally

sl

sublingually

supp

suppository

top

topical

cc

cubic centimeter

gm

gram

gr

grain

gtt(s)

drop(s)

hr

hour

L

liter

lb

pound

mcg

microgram

mEg

milliequvalent

mg

milligram

ml

milliliter

mm

millimeter

oz

ounce

ss

half

Tbsp

tablespoon

tsp

teaspoon