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RX Abbreviations

Prescription Abbreviations

Sig CodeMeaning
SIG Rx Directions
PRN as needed
C with
UD (Specific Directions) as directed
SS Half
AA Of Each
QS Quantity Sufficient
DC Discontinue
GTT Drop
mL Milliliter
DR Dram
TSP Tablespoon
OZ Ounce
L Liter
Gal Gallon
MCG Microgram
G or GM Gram
mG Milligram
Kg Kilogram
Lb Pound
UNG Ointment
Soln Solution
Crm Cream
Amp Ampule
PR Rectally (per rectal)
PV Vaginally (per vaginal)
OU Both Eyes (oculus uterque) or Each Eye
OD Right Eye (oculus dexter)
OS Left Eye (oculus sinister)
AU Both Ears (auris utraque)
AD Right Ear (auris dexter)
AS Left Ear (auris sinister)
IV Intravenously
IM Intramuscular
Inj Injection
SQ Subcutaneous (Sub-Q)
SL Sub-Lingual
Supp Suppository
Tab Tablet
Cap Capsule
UD (Location) Unit Dose
Susp Suspension
NG Naso-Gastric
Stat Immediately
BID Twice Daily
TID 3 Times a Day
QID 4 Times a Day
QD Every Day
QH Every Hour
Q46H Every 4-6 Hours
QAM Every Morning
QPM Every Evening
x __ Days for __ Days
F For
QHS At Bedtime
PC After Meals (post cibum)
AC Before Meals (ante cibum)
SD Single Dose
Created by: babyxmuse