Sig Code Translator

Convert prescription shorthand to plain English

Quick Reference

PO
By mouth
QD
Once daily
BID
Twice daily
TID
Three times daily
QID
Four times daily
QHS
At bedtime
PRN
As needed
AC
Before meals
PC
After meals
HS
At bedtime
GTT
Drops
UNG
Ointment
SUSP
Suspension
TAB
Tablet
CAP
Capsule
OU
Both eyes
OD
Right eye
OS
Left eye
SL
Under the tongue
UD
As directed
For educational/reference use only. Not for clinical decision-making.