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Abbrev- Sigs
| Abbreviation | Term |
|---|---|
| p | after |
| pc | after meals |
| pc & hs | after meals and at bedtime |
| pm | afternoon |
| ad lib | as desired |
| u.d. | as directed |
| prn | as needed |
| ASAP | as soon as possible |
| hs | bedtime |
| ac | before meals |
| ac & hs | before meals and at bedtime |
| AU | both ears |
| OU | both eyes |
| PO | by mouth |
| QD | daily |
| DAW | dispense as written |
| DS | double strength |
| Q | every |
| QD | every day |
| QHS | every day at bedtime |
| QPM | every afternoon/evening |
| QH | every hour |
| QAM | every morning |
| QOD | every other day |
| qw | every week |
| QID | four times daily |
| hr | hour |
| AS | left ear |
| OS | left eye |
| MR | may repeat |
| AD | right ear |
| OD | right eye |
| TID | three times daily |
| BID | two times daily |
| wk | weekly |
| c | with |
| s | without |
| WA | while awake |
| 24H | 24 hours |