Memorize Everything

ss

1/2; one-half

i

1

v

5

x

10

L

50

C

100

D

500

M

1000

aa.

of each

ad

up to; to make

disp.

dispensatur — dispense

div.

dividatur — divide

d.t.d.

give of such doses (da tales doses)

ft

fiat — let it be made; make

M.

misce (mice) — mix

No.

numero — number

non rep.

non repatatur — do not repeat

q.s.

quantum sufficit — a sufficient quantity

q.s. ad

quantum sufficiat ad — a sufficient quantity to make

Sig.

signa — write directions on label

a.c.

ante cibos — before meals

ad lib

ad libatum — at pleasure; freely

admin

administer

am

ante meridiem — morning

aq.

aqua — water

ATC

around the clock

b.i.d.

bis in die — twice a day

c̄ (cum)

cum — with

d (die)

die — day

dil.

dilatus — dilute

hr; h

hora — hour

h.s.

hora somni — at bedtime

min

minatum — minute

m&n

morning and night

N&V

nausea and vomiting

noct.

nocte — night

NPO

non per os — nothing by mouth

p.c.

post cibos — after meals

pm

post meridiem — afternoon; evening

p.o.; PO

per os — by mouth (orally)

p.r.n.; PRN

pro re nata — as needed

q

quaque — every

qd; QD

every day (one daily)

qAM

every morning

Q4H; Q8H; etc.

every N hours

q.i.d.; QID

quarter in die — four times a day

rep.

repetatur — repeat

s; s̄ (sine)

sine — without

s.i.d.

semel in die — once a day

s.o.s.

si opus sit — if there is need; as needed

stat.

statim — immediately

t.i.d.; TID

ter in die — three times a day

ut dict.

ut dictum — as directed

wk.

week

BSA

body surface area

cm3; cc

cubic centimeter or milliliter (mL)

f; fl (fluidus)

fluid

f℥

fluid ounce

f℥ss

half-fluid ounce

g

gram

Gal; gal

gallon

gtt

drop

gtts/min

drops (of drug solution) per minute

I.U. or IU

International units

lb

pound

kg

kilogram

L

liter

m2

square meter

μg; mcg; ug

microgram

mEq

milliequivalent

mg

milligram

mg/kg

milligram (of drug) per kilogram (of body mass)

mg/m2

milligram (of drug) per square meter (of body surface area)

mL

milliliter

mL/hr

milliliters (of drug solution) per hour

mL/min

milliliters (of drug solution) per minute

mOsm; mOsmol

milliosmoles

oz.

ounce

pt.

pint

qt.

quart

amp.

ampule

cap.

capsule

D5LR

Dextrose 5% in Lactated Ringer’s

D5NS

Dextrose 5% in Normal Saline

D5W

Dextrose 5% in Water

D10W

Dextrose 10% in Water

elix.

elixir

inj.

injection

NS

Normal saline (0.9% sodium chloride)

½NS

Half Normal saline (0.45% sodium chloride)

¼NS

Quarter Normal Saline (0.225% sodium chloride)

ointment; ung.; ungt.

ointment; unguent

pow.

powder

pulv.

pulvis — powder

LR; RL; R/L

Lactated Ringer’s; Ringer’s Lactate

sol.

solution

supp.; sup.

suppository

susp.; sus.

suspension

syr.

syrup

tab.

tablet