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Pharmacy Sig Codes & Medical Abbreviations

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
APAP   acetaminophen  
🗑
ASA   acetylsalicylic acid  
🗑
cap   capsule  
🗑
elix   elixir  
🗑
FDA   Food and Drug Administration  
🗑
INH   Inhalor, Inhalation, isoniazid (anti-tubercular drug)  
🗑
NSAID(s)   nonsteroidal anti-inflammatory drug(s)  
🗑
OTC   over-the-counter  
🗑
PDR   Physicians' Desk Reference  
🗑
Rx   prescription  
🗑
supp   suppository  
🗑
susp   suspension  
🗑
tab   tablet  
🗑
tinct   tincture  
🗑
USP   United States Pharmacopeia  
🗑
ung   ointment (unguent)  
🗑
ac   before meals (ante cibum)  
🗑
ad lib   as desired (ad libitum)  
🗑
aq   water (aqua)  
🗑
bid   twice a day, (bis in die)  
🗑
gtt, gtts   drop(s) (gutta)  
🗑
hs   at bedtime (hora somni)  
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IM   intramuscular(ly)  
🗑
IU   international unit  
🗑
IV   intravenous(ly)  
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IVPB   IV piggyback  
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NS   normal saline  
🗑
p   after, post  
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pc   after meals (post cibum)  
🗑
po   by mouth (per os)  
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prn   as needed (pro re nata)  
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qd   every day (quaque die)  
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qh   every hour (quaque hora)  
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q______h   every_____hours  
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qid   four times a day (quater in die)  
🗑
qm   every morning (quaque matin)  
🗑
qod   every other day (quaque [other]die)  
🗑
SC, sub-Q, SQ   subcutaneous(ly)  
🗑
tid   three times a day (ter in die)  
🗑
U   unit(s)  
🗑
x   times, for  
🗑
ASAP   as soon as possible  
🗑
bm   bowel movement  
🗑
BP   blood pressure  
🗑
cc   cubic centimeter  
🗑
C02   carbon dioxide  
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CPR   cardiopulmonary resuscitation  
🗑
d/c   discontinue, discharge  
🗑
ECG, EKG   electrocardiogram  
🗑
ER   emergency room  
🗑
F   Fahrenheit  
🗑
hr   hour  
🗑
H20   water  
🗑
i   1  
🗑
ii   2  
🗑
iii   3  
🗑
iv   4  
🗑
v   5  
🗑
IDDM   insulin dependent diabetes mellitus  
🗑
mg   milligram  
🗑
ml   milliliter  
🗑
NPO   nothing by mouth  
🗑
NTG   nitroglycerin  
🗑
O2   oxygen  
🗑
OD   right eye  
🗑
OS   left eye  
🗑
OU   both eyes  
🗑
pt   patient, pint  
🗑
s   without  
🗑
sx   symptoms  
🗑
s/s   signs and symptoms  
🗑
stat   immediately, Now  
🗑
SOB   shortness of breath  
🗑
tab   tablet  
🗑
>   greater than  
🗑
<   less than  
🗑
am   morning  
🗑
amt   amount  
🗑
NPO   Nothing by mouth  
🗑
CBC   complete blood count  
🗑
CPR   cardiopulmonary resuscitation  
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/   per (example - "Max 5/12 h" = "maximum of 5 per 12 hours")  
🗑
↑   Increase  
🗑
↓   Decrease  
🗑
µ   Micro  
🗑
µg   MicroGram  
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¼ NS   0.22% Normal Saline  
🗑
½ NS   0.45% Normal Saline  
🗑
Q12°   every 12 hours  
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Q4°   every 4 hours  
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5x/d   five times a day  
🗑
a   before  
🗑
AMA   American Medical Association  
🗑
AA   Affected Area, Amino Acids  
🗑
ACE Inhibitors   angiotensin-converting enzyme inhibitors (medication classification)  
🗑
AD   Right Ear  
🗑
ADD   attention deficit disorder  
🗑
ADHD   attention deficit and hyperactivity disorder  
🗑
Aft   Afternoon  
🗑
AIDS   Acquired immune deficiency syndrome  
🗑
Amp   Ampule, Ampoule  
🗑
AS   Left Ear  
🗑
ATC   Around the Clock  
🗑
AU   Both Ears  
🗑
BBB   Blood Brain Barrier  
🗑
BC   Birth Control  
🗑
BSA   Body Surface Area  
🗑
c   with  
🗑
C & C   Cough and Congestion  
🗑
Ca   Calcium, Cancer  
🗑
CaCO3   calcium carbonate  
🗑
CAD   coronary artery disease  
🗑
CDC   Centers for Disease Control and Prevention  
🗑
CF   cystic fibrosis  
🗑
CHF   congestive heart failure  
🗑
CL   Chlorine, Chloride  
🗑
CM   Centimeter  
🗑
CMPD   Compound  
🗑
CNS   Central Nervous System  
🗑
CO2   Carbon Dioxide  
🗑
COD   Codiene  
🗑
COPD   chronic obstructive pulmonary disease  
🗑
CP   Chest pain  
🗑
CR   Cream. Controled Release  
🗑
d   day, daily  
🗑
D51/2NS   5% Dextrose & 0.45% NS  
🗑
D5W   5% dextrose in water  
🗑
Dex   Dextrose  
🗑
DAW   Dispense as Written (no generic)  
🗑
Disp   Dispense  
🗑
DM   diabetes mellitus  
🗑
DNS   Do Not Substitute  
🗑
DOB   Date of Birth  
🗑
DS   Double Strength, Days Supply  
🗑
Dx   Diagnosis  
🗑
EC   Enteric Coated  
🗑
ED   Emergency Department, Erectile Dysfunction  
🗑
EDS   Estimated Days Supply  
🗑
EES   erythromycin ethylsuccinate  
🗑
Elix   Elixer  
🗑
EMS   emergency medical service  
🗑
ENT   Ear nose throat  
🗑
EPO   epoietin alfa, erythropoietin, Epogen, Procrit  
🗑
ER   emergency room, Extended Release  
🗑
ETOH   (ethyl) alcohol (alcohol you drink)  
🗑
FE   Iron  
🗑
FeSO4   ferrous sulfate (iron)  
🗑
fl. oz.   fluid ounce  
🗑
G   Gram  
🗑
GM   Gram  
🗑
gr   grain  
🗑
gal   Gallon  
🗑
GERD   gastroesophageal reflux disease  
🗑
GH   Growth Hormone  
🗑
GI   Gastrointestinal  
🗑
GI Tube   Gastrointestinal Tube  
🗑
GSW   Gun Shot Wound  
🗑
h   hour  
🗑
Hx   History  
🗑
H2O2   hydrogen peroxide  
🗑
HA   Headache  
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HBP   High Blood Pressure  
🗑
HCTZ   hydrochlorothiazide  
🗑
HD   High Dose  
🗑
HIV   Human Immunodeficiency Virus  
🗑
HPV   Human Papilloma Virus  
🗑
HRT   Hormone replacement therapy  
🗑
ERT   Estrogen Replacement Therapy  
🗑
HTN   Hypertension  
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HCl   Hydrochloride  
🗑
IBW   Ideal Body Weight  
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ICU   Intensive Care Unit  
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ID   Intadermal  
🗑
Inf   Infection  
🗑
Inj   injection  
🗑
IT   Intrathecal  
🗑
IUD   intrauterine device  
🗑
IVPB   Intravenous Piggy Back  
🗑
K, K+   Potassium  
🗑
K, KG   Kilogram  
🗑
L   Liter  
🗑
LA   Long Acting  
🗑
LB   Pound  
🗑
#   quantity, pound  
🗑
Liq   Liquid  
🗑
Lot   Lotion  
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LR   lactated Ringer’s solution  
🗑
M   Meter  
🗑
MAOI's   monoamine oxidase inhibitors  
🗑
mcg   Microgram  
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MDI   metered dose inhaler  
🗑
mEq   Milliequivalent  
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Mg, Mg++   magnesium  
🗑
MgSO4   magnesium sulfate  
🗑
MI   myocardial infarction  
🗑
Min   Minimum, Minute  
🗑
mL   Milliliter  
🗑
MOM   milk of magnesia  
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MSO4   morphine sulfate  
🗑
MTX   Methotrexate (anti cancer drug)  
🗑
MVI   Multi-Vitamin Injection  
🗑
N/V, N&V   nausea and vomiting  
🗑
Na, Na+   Sodium  
🗑
NaCl   Sodium Chloride (Normal Saline)  
🗑
Neb   Nebulizer  
🗑
NG Tube   Nasal Gastric Tube  
🗑
NKA   No Known Allergies  
🗑
NKDA   No Known Drug Allergies  
🗑
NOCT   Evening, Night  
🗑
NR   No Refills (Do not repeat)  
🗑
NS   0.9% Normal Saline (Sodium Chloride )  
🗑
NTE   Not to Exceed  
🗑
O2   Oxygen  
🗑
OC   oral contraceptive  
🗑
Oint   Ointment  
🗑
OM   Otitis Media  
🗑
OR   Operating Room  
🗑
OTC   Over the Counter  
🗑
oz   Ounce  
🗑
pr   Rectaly  
🗑
pv   Vaginally  
🗑
pcn   penicillin  
🗑
tcn   tetracycline  
🗑
PM   Evening  
🗑
PTU   propylthiouracil  
🗑
Q   every  
🗑
QS   Quantity sufficient (Give/add enough to equal)  
🗑
qam   every morning  
🗑
QHS   at bedtime (every night at bedtime)  
🗑
QT   quart  
🗑
ROA   Route of Administration  
🗑
RBC   Red Blood Cell  
🗑
Sig   Directions, Signature  
🗑
SL   Sublingually (Under the tongue)  
🗑
SMX/TMP, SMZ/TMP   sulfamethoxazole and trimethoprim  
🗑
SOL   Solution  
🗑
SR   Slow or Sustained Release  
🗑
ss   1/2, single strength  
🗑
SSRI   selective serotonin reuptake inhibitors  
🗑
STD   sexually transmitted disease  
🗑
Supp   Suppository  
🗑
Susp   Suspension  
🗑
Syp, Syr   Syrup  
🗑
TAC   triamcinolone  
🗑
Tbs, tble, T   Tablespoonful  
🗑
BIW   Twice a week, every 2 weeks  
🗑
TIW   Three times a week  
🗑
Top   Topically  
🗑
TPN   total parenteral nutrition  
🗑
TR   Time Release  
🗑
tsp, t   Teaspoonful  
🗑
Tx   Treatment  
🗑
UD   As Directed  
🗑
URI   upper respiratory infection  
🗑
LWi   Lower respiratory infection  
🗑
UTI   Urinary Tract Infection  
🗑
W, Wk   Week, Weekly  
🗑
W/   With  
🗑
W/O   Without  
🗑
WBC   white blood cell (count)  
🗑
Wt   Weight  
🗑
x3d   for 3 days (or maybe 3 doses, caution)  
🗑
XL   extended release  
🗑
XR   extended release  
🗑
yr   year  
🗑
Zn   Zinc  
🗑
Δ   Change  
🗑


   

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