Medical Abbreviations: 2025 PTCB Exam - RxTechExam.com

Q.S.

Quantity Sufficient

ss

one-half

dr

one dram (5mL)

fl oz

one fluid ounce (30mL)

t, tsp

teaspoonful (5mL)

T, Tbsp

tablespoonful (15mL)

cc, cm3

cubic centimeter

gtt(s)

drop(s)

IU

international units

mcg, ug

microgram = 0.000001 g, or 0.001 mg

pv

in the vagina; vaginally

ud, ad, ut dict

as directed

c

with

ac

before meals

pc

after meals

p

after

ad

right ear

as

left ear

au

both ears

od

right eye

os

left eye

pr

rectally

SC, subQ, SQ

subcutaneous

aq, aqua

water

asa

aspirin

Ca

calcium

K

potassium

Na

sodium

NaF

sodium flouride

ntg

nitroglycerine

PB

phenobarbital

SMZ/TMP

bactrim (SS or DS)

TCN

tetracycline

ASA

aspirin

EC

enteric coated

DC

discontinue

HTN

hypertension

mEq

milliequivalent

gr

grain

g

gram

mg

milligram

kg

kilogram

L

liter

oz

ounce (in terms of weight)

mL

milliliter

qod

every other day

qd

every day

bid

twice daily

tid

three times daily

qid

four times daily

am

morning

pm, noc

at night; in the evening

hs

at bedtime

qh

every hour

q4h

every 4 hours

q6h

every 6 hours

q4-6h

every 4-6 hours

qw

every week

stat, asap

immediately

s

without

prn

as needed

ou

both eyes

po

by mouth

ien

in each nostril

vag

vaginally

IM

intramuscular

IV

intravenous

neb

nebulizer

loc

locally

aa

affected area(s)

top

topically

sl

under the tongue

amp

ampule

cap

capsules

tab

tablet

cr

cream

elix

elixir

lot

lotion

soln, sol

solution

susp

suspension

syr

syrup

ung, oint

ointment

spr

spray

aff

affected

dist aq

distilled water

bc

birth control

bp

blood pressure

cmpd

compound

HA

headache

sob

shortness of breath

Hbp

high blood pressure

nka, nkda

no known allergies, no known drug allergies

nr

no refills

cwr

call when ready

n/v

nausea and vomiting

apap

acetaminophen

epi

epinepherine

Fe

iron

FeSO4

ferrous sulfate

HCTZ

hydrochlorothiazide