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Exam Prep
Common Prescription Abbreviation
| Term | Definition |
|---|---|
| a | before |
| PR | through the rectum |
| a.c. | before meals |
| p.r.n. PRN | as needed |
| ad lib | as desired |
| PV, vag | through the vagina |
| AM, a.m | morning |
| q | every |
| amt | amount |
| qh | every hour |
| aq | water |
| q2h | every 2 hours |
| b.i.d, BID | twice a day |
| q.i.d, QID | four times a day |
| buc | buccal |
| qm | every month |
| q.o.d, QOD | every other day |
| cap | Capsule |
| d | day |
| h.s | at bedtime, at the hour of sleep |
| Sig: | instruction to patient |
| p.o, PO | by mouth |
| t.i.d, TID | three times a da |
| p.c. | after meals |
| cap | capsule |
| Rx | prescription, take |
| x | times, for |
| Sig: | instruction to patient |
| NPO | nothing by mouth |