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Rx Abbreviations
abbreviations used by pharmacies
| Abbreviation | Meaning |
|---|---|
| a | before |
| a.c. | before meals |
| ad lib | as desired |
| AD | right ear |
| AS | left ear |
| AU | both ears |
| b.i.d. | twice a day |
| bx | biopsy |
| c | with |
| cc | cubic centimeter |
| dr | dram |
| dx | diagnosis |
| fx | fracture |
| g | gram |
| gr | grain |
| gtt | drop |
| h | hour |
| hr | hour |
| h.s. | at bedtime |
| hx | history |
| ID | intradermal(ly) |
| IM | intramuscular(ly) |
| IU | international unit |
| IV | intravenous(ly) |
| IVPB | IV piggyback |
| kg | kilogram |
| L | liter |
| lb | pound |
| mcg | microgram |
| mEq | milliequivalent |
| mg | milligram |
| ml | milliliter |
| OD | right eye |
| OS | left eye |
| OTC | over the counter |
| OU | both eyes |
| oz | ounce |
| p | post |
| p.c. | after meals |
| p.o. | by mouth |
| pr | per rectum |
| p.r.n. | as needed |
| pt | pint |
| q. | every |
| q.a.m. | every morning |
| q.d. | every day |
| q.h. | every hour |
| q2h, q3h, etc | every 2 hours, etc. |
| q.i.d. | 4 times a day |
| q.o.d | every other day |
| qt | quart |
| rx, Rx | prescription |
| s | without |
| sc, S.C., s.q., subq | subcutaneous |
| ss | one half |
| stat | immediately |
| supp | suppository |
| sx | symptoms |
| T, Tbsp | tablespoon |
| t, tsp | teaspoon |
| t.i.d. | 3 times a day |
| T.O. | telephone order |
| tr | tincture |
| tx | treatment |
| ung | ointment |
| VO | verbal order |