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RX Abbreviations
Prescription Abbreviations
| Sig Code | Meaning |
|---|---|
| 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 |