Prescription Terminology

Hours

Expressed as x/24.

Days

Expressed as x/7.

Weeks

Expressed as x/52.

Months

Expressed as x/12.

OD

once daily

BD/BID

twice daily

TDS/TID

three times daily

QDS/QID

four times daily

Q4H

every 4 hours

OM/MANE

every morning

ON/NOCTE

every night

n. et m.

night and morning

cc

with food

ac

before food

pc

after food

prn

when required

ex aq

with water

mitte/mitt

send

Cap.

Capsule

Pulv.

Powder

Ung.

Ointment

Past.

Paste

Occulent.

Eye ointment

Troche.

Lozenge

Supp.

Suppository

Aq.

Water.

Aqua dist.

Distilled water.

Aurist.

Ear drops.

Collun.

Nose wash.

Collut.

Mouth wash.

Collyr.

Eye wash.

Elix.

Elixir.

Emuls.

Emulsion.

Linct.

Linctus.

Liq.

Solution.

Lot.

Lotion.

Mist.

Mixture.

Narist.

Nasal drops.

Neb.

Spray.

Pig.

Paint.

Syr.

Syrup.

Tine.

Tincture.

o. = Eye

Abbreviation for Eye.

o.l / o.s. = Left eye

Abbreviation for Left eye.

o.d. = Right eye

Abbreviation for Right eye.

o.u. = Both eyes

Abbreviation for Both eyes.

Aur.

Ear

a.d.

Right ear

a.s / a.l.

Left ear

a.u.

Both ears

Mitte

to send/supply

Sig.

to label

Gutt./gtt.

drop

Md

as directed

Mdu

use as directed

PO

oral

PR

rectal

PV

vaginal

PAA

apply to affected area

Pro dol

for pain

Pro tuss.

for cough