Abbreviation |
Definition |
|
| p.o | - | Orally |
| I.M. | - | Intramuscularly |
| Subq. | - | Subcutaneous |
| Rectally | - | Rectally |
| I.V. | - | Intravenous |
| O.D. | - | In the right eye |
| O.S. | - | In the left eye |
| O.U. | - | In both eyes |
| q.d. | - | Once a day |
| b.i.d. | - | Twice a day |
| t.i.d. | - | Three times a day |
| q.i.d. | - | Four times a day |
| q.h.s. | - | Before bed |
| 5X a day | - | Five times a day |
| q.4h | - | Every four hours |
| q.6h | - | Every six hours |
| q.o.d. | - | Every other day |
| prn. | - | As needed |
| q.t.t. | - | Drop |
| a.c. | - | Before meals |
| p.c. | - | After meals |
