where

ad

right ear

where

ou

both eyes

where

os

left eye

where

sc

 under the skin

where

ID

into the skin

where

IA

into the artery

where

IT

intrathecal

where

IC

intracardiac

where

SL

 sublingual

(under the tongue)

where

rect or R

 rectally, in the rectum

where

od

right eye

where

po

by mouth

where

IV

 into the vein:

bolus or drip

where

IM

intramuscularly

where

as

left ear

where

au

both ears

when

hs

at bedtime

(before sleep)

when

pc

after meals

(think of p.m.)

when

wo or  s

without

when

qd

once a day

(or everyday)

when

bid

twice a day

when

tid

three times a day

when

q  wk

once a week

when

prn

as needed

when

ut  dict

as directed

when

atc

around the clock

when

qh

every hour

when

w or  c

with

when

qod

every other day

when

qid

four times a day

drug form

tab

tablet

drug form

cap

capsule

drug form

pul

pulvule

(a gelatin-based medicinal capsule)

drug form

syr

syrup

drug form

susp

suspension

drug form

elix

elixir

drug form

ext

extract

drug form

tinct

tincture

drug form

ung or  oint

ointment

how much

aa

of each

how much

tsp

teaspoon

how much

tbsp

tablespoon

how much

gtt

drop

how much

mg

milligram

how much

mcg

microgram

how much

cc

cubic centimeter

(same as ml)

how much

fl

fluid

how much

g

gram

how much

gr

grain