| Abbreviation | Meaning | Full latin |
|---|---|---|
| daily (OD/QD; DO NOT USE) | Daily | Omni die/Quaque die |
| prn | As needed | Pro re nata |
| mane | Morning | |
| midi | Midday | |
| nocte | Night | |
| BD/bid | Twice a day | Bis in die |
| TDS/tid | Thrice a day | Ter die summendum/Ter in die |
| QID | Four times a day | Quater in die |
| Q#H | Every # hours | Qauque # horas |
| STAT | Immediately | Statim |
| PO | Oral | Per os |
| PR | Rectal | Per rectum |
| PV | Vaginal | Per vagina |
| NG | Nasogastric | |
| subcut | Subcutaneous | |
| subling | Sublingual | |
| buc | Buccal | |
| IM | Intramuscular | |
| ac | Before food | Ante cibum |
| cc | With food | Con cibum |
| pc | After food | Post cibum |