Prescription Language
| Abbreviation | Latin Translation | What It Means |
| a.c. | ante cibum | before meals |
| b.i.d. | bis in die | twice a day |
| c | cum | with |
| cap | capsula | capsule |
| d | dies | day |
| daw | dispense as written (no substituting generic or brand name drugs) | |
| gtt | gutta | drop |
| h.s. | hora somni | bedtime |
| I.M. | into the muscle | |
| I.V. | into the vein | |
| mg | milligram | |
| ml | millilitre | |
| nocte | at night | |
| O.D. | oculo dextro | right eye |
| O.S. | oculo sinistro | left eye |
| O.U. | oculo utro | in each eye |
| p.c | post cibum | after meals |
| p.o. | per os | by mouth |
| p.r.n. | pro re nata | as needed |
| pil | pilula | pill |
| qh | quaque hora | every hour |
| q 3 h | quaque 3 hora | every 3 hours |
| qAM | every morning | |
| qd | quaque die | daily |
| q.i.d. | quater in die | four times a day |
| q.o.d | every other day | |
| s | sine | without |
| s.l. | under the tongue | |
| tab | tabella | tablet |
| t.i.d. | ter in die | three times a day |
| tsp | teaspoon | |
| tbsp | tablespoon | |
| ut dict | as directed by doctor |