Sig codes/abbreviations

PTCE 2026

sol;soln

solution

spr

spray

supp

suppository

susp

suspension

syr

syrup

tab(s)

tablet(s)

tinc

tincture

ung

ointment

amp

ampule(s)

cap(s)

capsule(s)

cr

cream

el;elix

elixir

fl

fluid

lot

lotion

pulv

powder

L

liter

mEq

milliequivalent

mg

milligram

oz

ounce

t;tsp

teaspoonful

T;tbsp

tablespoonful

u

unit

cc

cubic centimeter

fl oz

fluid ounce

g;gm

gram

gr

grain

gtt(s)

drop(s)

IU

international unit

mcg

microgram

kg

kilogram

AD

right ear

AS

left ear

AU

both ears

IEN

in each nostril

IM

intramuscularly

inj

inject

IV

intravenously

loc

locally

PO

by mouth

OD

right eye

OS

left eye

OU

both eyes

PR

rectally

SC;subQ;SQ

subcutaneously

SL

sublingually

top

topically

UD

use as directed

vag

vaginally

HS

at bedtime

noc

at night

P

after

PC

after meals

PM

in the evening

S

without

STAT

immediately

TID

three times daily

WK

weekly

AC

before meals

AM

in the morning

ad lib

as often as necessary

ASAP

as soon as possible

ATC

around the clock

BID

twice daily

C

with

D

daily

h;hr

hour

HA

headache

NR

no refills

n/v

nausea/vomiting

pa

pain

s

without

ss

single strength

sob

shortness of breath

NKDA

no known drug allergies

a

apply

aa

affected area(s)

aff

affected

BC

birth control

c

with

DC

discontinue

DS

double strength

EC

enteric coated

ES

extra strength

ug

until gone