1. Methods of AdministrationGI
Gastrointestinal Tract (through the intestines)
Oral
Through mouth
Rectal
Rectum
Sublingual
Under the tongue
Buccal
Between the cheek and gum
Topical
On skin
Intra-muscular
Injection into the muscle
Intra-Venous
Injection into the veins
Subcutaneous
Under the skin (e.g. Insulin)
Transdermal
Through intact skin
Inhalation
Absorbed immediately

2. Abbreviations B.D Twice a Day PO Per Oral NPO Nil by mouth O.D
Once a Day PR
Per Rectum
Sig.
Directions
B.S
Blood Sugar SL
Sublingual
Rx.
Prescription
Bucca
Inside cheek Ac
Before meals
Tab.
Tablets
Caps
Capsule H
Hour C
With Pc
After meals
Cf.
With food
PRN
When Required
Cr.
Cream Q
Every
D/C
Discontinue
QDS
X4 daily
Disp.
Dispersible
TDS
X3 daily ID
Intradermal
Stat.
Take immediately
IV(P)
Intravenous (push)
gtt.
Drop NG
Nasogastric tube
NKA
No Known allergy