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Drug Administration
Common Prescription Abbreviations an Symbols
| Term | Definition |
|---|---|
| aa | Of each |
| ac | Before meals |
| ad lib | as desired |
| aq | water |
| bid | twice a day |
| - c | with |
| cap | capsule |
| dil | dilute |
| elix | elixir |
| g | gram |
| gr | grain |
| gt or gtt | drop (drops) |
| h | hour |
| IM | intramuscular |
| IV | Intravenous |
| kg | kilogram |
| L | liter |
| liq | liquid |
| m or min | minim |
| mg | milligram |
| mL | milliliter |
| mm | millimeter |
| NPO | Nothing by mouth |
| non rep | do not repeat |
| - p | after |
| pc | after meals |
| per | by or with |
| po | by mouth |
| prn | as needed |
| pt | patient |
| q | every |
| qh | every hour |
| q (2,3,4) h | every 2,3,4 hours |
| qid | four times a day |
| qs | of sufficient quantity |
| Rx | take |
| - s | without |
| sol | solution |
| ss | one-half |
| stat | at once |
| tab | tablet |
| Tbs | tablespoon |
| tsp | teaspoon |
| tid | three times a day |
| tr | tincture |
| ung | ointment |