Ac
Before meals
A.m
Morning
Amp
Ampule
BID
Twice a day
-c
With
Cap
Capsule
CD
Controlled dose
CR
Controlled release
Gtt
Droplets?
H
Hour
ID
Intradermal
IM
Intramuscular
IV
Intravenous
KVO
Keep vein open (very slow infusion rate)
LA
Long activity
NPO
Nothing per ora (nothing by mouth)
NS
Normal Saline
Pc
After meal
pm
Afternoon (post meridiem)
PO
Per ora (by mouth)
Pr
Per rectum
Per
By or through
Prn
When needed
Q
Every