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Abbreviations
SIG codes / directions
| Question | Answer |
|---|---|
| after | p |
| after meals | pc |
| after meals & at bedtime | pc & hs |
| afternoon | pm |
| as desired | ad lib |
| as directed | u.d. |
| as needed | prn |
| as soon as possible | ASAP |
| bedtime | hs |
| before meals | ac |
| before meals and at bedtime | ac & hs |
| Both ears | AU |
| both eyes | OU |
| by mouth | po / PO |
| daily | qd / QD |
| dispense as written | DAW |
| double strength | DS |
| every | q / Q |
| every day | qd / QD |
| every day at bedtime | qhs / QHS |
| every afternoon / evening | qpm / QPM |
| every hour | qh / QH |
| every morning | qam / QAM |
| every other day | qod / QOD |
| every week | qw |
| four times a day | qid / QID |
| hour | hr |
| left ear | AS |
| left eye | OS |
| may repeat | MR |
| right ear | AD |
| right eye | OD |
| three times daily | tid / TID |
| two times daily | bid / BID |
| weekly | w / wk |
| with | c |
| with out | s |
| while awake | W/A / WA |
| 24 hours | 24H |