abbreviations

@

at

K

potassium

q

Every

ac

meals

L

liters, left

lb, LB

pounds

AD

right ear 

mg, MG

milligram

AgNo3

silver nitrate

ml, ML

milliliter

Am

morning

qh

every hour

NPO

nothing by mouth

qm

every morning

Aq

water

AS

left ear

OS

left eye

OD

right eye

AU

in each ear, both ears

OU

in each eye, both eyes

Ba

Barium

BID, bid

twice a day

pc

after meals

pil

pill

po

by mouth

CAP (s)

capsules (s)

PRN

as necessary

PT

patient

JM

intramuscular

Inj

injection

IV

intravenous

t, tt, ttt, or T (one dot), T (two dots), T (three dots) etc….

1, 2, 3, capsules tabs pills and so on

HS

hour of sleep/ Bedtime

Subscription (RX)

recipe to take

Inscription

doctor ordered

DAW

Disperse as written

DEA

Drug Enforcement Agency

Subscription

amount medication

Signature

how to take the medication

comp

compound

contra

against

qd

everyday

qh

every hour

DC

discontinue

q (2,3,4) hours

every hours

Dil

dilute

qid, QID

four times a day

Dos 

doses

qod, QOD

every other day

R

right

Fe

iron

sc, sub, sc, subc

subcutaneous

Sig,S

write on label direction

-sol

solution

stat, STAT

immeadiately

supposed

suppository

G, g, GM, gm

gram

Gt

drop

T, thsp

tablespoon (15 ml)

Gtt (s)

drops

TAB

tablet

tid

three times a day

ung

ointment

u

unit

tsp 

teaspoon (5 mil)

Guttat

drop by drop

H

hour

H2O2

hydrogen peroxide