S/Sx
Sign and symptoms
CC
Chief complaint
QID
4 times a day
BID
2 times a day
TID
3 times a day
Q#H
taken every # of hours
PO
By mouth
PR
By rectum
PRN
As needed
Rx
Prescription
IM
Intramuscular
IV
Intravenous
SQ
Subcutaneous
ID
Intradermal
Lt
Left
Rt
Right
ml
milliliter
mg
milligram
AC
Before meals
PC
After meals