Pharmacology – Abbreviations, Signs and Symbols

down arrow (↓)
decrease, falling, below

up arrow (↑)
increase, rising, above

>
greater than

<
less than

+
positive

negative

/
per, by

@
at

A.C./ac/A
before meals

AD
right ear

ad lib
as desired

alb
albumin

am
morning

amp.
ampule

amt.
amount

AP
apical pulse

AS
left ear

ASA
acetylsalicylic acid (aspirin)

ASAP
as soon as possible

as tol.
as tolerated

AU
both ears

BC
blood culture

bicarb
bicarbonate

b.i.d./BID
two times a day

bld
blood

BP
blood pressure

Celsius

C&S
Culture and Sensitivity

Ca, CA, Ca++
Calcium

Ca., ca., CA
cancer

cal
calorie, caloric

cap, caps
capsule

CDA
Canadian Diabetes Association

Cl-
Chloride

cc
cubic centimeter used like mL

cm
centimeter

CNS
central nervous system

CO
carbon monoxide

CO₂
carbon dioxide

cont.
continuous

CPS
Compendium of Pharmaceuticals and Specialties

Creat
creatinine

CSF
cerebrospinal fluid

C/S
chemstrip

CT scan
computerized tomography scan

c with bar over top
with

d/D
day

D/W, D5W
dextrose with water

D/S, D5S, D5/NS
dextrose with normal saline

DAT
diet as tolerated

d.c., d/c, DC
discontinue/discharge

dil
dilute

DOB
date of birth

Dr.
doctor

EC
entric coated

elix.
elixir

emul.
emulsion

ext.
extract

FBS, fbs
fasting blood sugar

Fe
iron

FeSO4
Ferrous Sulfate

Fld/fld
fluid

G, gm
gram

g/G
gauge

GI
Gastrointestinal

gt.
drop

gtt.
drops

h
hour

H₂O
water

H₂O₂
peroxide

hs
hour of sleep (bedtime)

ht.
height

IM
intramuscular

INR
prothrombin time

IU
international units

IV
intravenous

IVPB
IV piggyback

K
potassium

Kx/ K
kardex

KCL
potassium chloride

kg
kilogram

KVO
keep vein open

L
litre

LA
long acting

L, Lt, L with a circle around it
Left

LMP
last menstrual period

m
metre

ug, mcg
microgram

mEq
milliequivalents

mg
milligram

min
minute

mL
millilitre

mm
millimetre

N/A, NA
not applicable

N/V, n&v
nausea and vomiting

Na
sodium

NaCl
sodium chloride

NS
normal saline

Ng, NG
nasogastric, nursing

npo/ NPO
nothing by mouth (nil per ora)

o.d.
right eye

o.s. (os)
left eye

ou
both eyes

O₂
oxygen

od, OD
overdose/ once a day/ right eye

os
mouth/ left eye

oz
ounce

OTC
over the counter

P/p
pulse/ after

pc/ PC
after meals

per
by, through

pH
indicates the acidity or alkalinity of a solution

pm
afternoon

PO, TO
by mouth/ orally/ phone order/ telephone order

po
by mouth (per ora)

pO₂
Oxygen tension in blood

post-op
post operative

pre-op
pre operative

prep
prepare, preparation

prn
as needed, when necessary

Pro time, PT
prothrombin time

pt.
patient

PTT
partial thromboplastin time

q
every

q2h
every two hours

q4h
every four hours

qd, QD, OD, qdaily
every day/ once daily

q2D
every second day

qh
every hour

qhs
every night at bedtime

qid
four times a day

R, Resp
respiration

R
rectal

R, Rt., R with a circle around it
right

R&M, RM
routine and micro (urinalysis)

R/L, RL
Ringer’s lactate

Rx
prescription

sat
saturation

sc
subcutaneous

sl, SL
sublingual

SI
international system of measurement, Metric system (Le Systeme International d’Unites)

sol.
solution

spec
specimen

SR
sustained release

stat, STAT
at once, immediately

supp.
suppository

s with a bar over top
without

T
temperature

Tbsp
tablespoon

Tsp
teaspoon

tab.
tablet(s)

tid, t.i.d.
three times a day

TKO
to keep open

TPN
total parenteral nutrition

Tx
treatment

U/u
unit

Ung/ungt
ointment

i
one

ii
two

iii
three

ug.mcg
microgram

ung.
ointment

URI
upper respiratory infection

UTI
urinary tract infection

VDRL
Venereal Disease Research Laboratory (test for syphillis)

Vag
vaginal

Vit
vitamin(s)

VO
verbal order

VS, V.S.
vital signs

wk.
week

wt.
weight

x
times

C, c Cup g Gram WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample gr grain gtt drop kg kilogram L liter mcg microgram mEq milliequivalent mg milligram mL milliliter …

primary Meaning for 1*(degree symbol) secondary Meaning for 2*(degree symbol) WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample change Meaning for Δ left Meaning for L in a circle …

& and @ at WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample a before aa of each abd abdomen ac before meals ADL activities of daily living ad lib …

Abdomen Abd Axillary Ax WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample Bowel movement BM body mass index BMI blood pressure BP body surface area BSA BX biopsy coughing …

AAT Activity as tolerated abd abduct WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample ABG arterial blood gas ac before meals ad lib as desired adeq adequate adm admission …

before meals a.c. twice per day bid WE WILL WRITE A CUSTOM ESSAY SAMPLE ON ANY TOPIC SPECIFICALLY FOR YOU FOR ONLY $13.90/PAGE Write my sample dram or dr grain gr gram g, G, gm drop gtt hour of sleep …

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