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Med.Abbreviations
| Term | Definition |
|---|---|
| ā or a | before |
| aa, āā or āa | of each |
| ac | before meals |
| A.D. | RIGHT ear |
| ad lib | as desired, freely |
| A.M. | in the morning |
| amp | ampule |
| aq. | water |
| A.S. | LEFT ear |
| A.U. | BOTH ears |
| bid | TWICE a day |
| C | Celsius |
| _ c | with |
| cap or caps | capsule |
| cc | cubic centimeter |
| comp. | compound |
| cm | centimeter |
| dil. | dilute |
| dist. | distilled |
| DC | discontinue |
| DX | diagnosis |
| elix. | elixir |
| mixt. | mixture |
| mL | milliliter |
| N | night |
| non rep | do not repeat |
| NPO | nothing by mouth |
| NS | normal saline |
| od or qd | once every day |
| O.D. | RIGHT eye |
| O.S. | LEFT eye |
| O.U. | BOTH eyes |
| oz or Ʒ | ounce |
| _ P | after |
| p. or p | per |
| pc | after meals |
| po, per os | by mouth |
| P.M. | afternoon; evening |
| PRN | as needed; when necessary |
| Q | every, each |
| Qd | every day |
| qh or q1h | every hour |
| qhs | every night at bedtime |
| q2h | every 2 hours |
| ext. | external; extract |
| F | Fahrenheit |
| fl. or fld. | Fluid |
| g or gm | gram |
| gtt | drop |
| H. | hypodermically |
| h or hr | hour |
| hs | hour of sleep (BEDTIME) |
| ID | intradermal(ly) |
| IM | intramuscular(ly) |
| inj. | injection |
| IV | intraverous(ly) |
| IVPB | intravenous piggyback |
| kg | kilogram |
| KVO | keep vein open |
| L | liter |
| LA | long acting |
| lb. | pound |
| liq. | liquid |
| m | meter |
| m2 <--- (small number; squared) | square meter |
| q4h | every 4 hours |
| qid | four times a day |
| qod | every other day |
| qs | as much as needed; quantity sufficient |
| qt | quart |
| R | rectal |
| rep. | repeat |
| RX | treatment |
| _ s | without |
| sc | subcutaneous(ly) |
| SL | beneath the tongue; sublingualy |
| sol. or soln. | solution |
| SQ; sq or sub q | subcutaneous(ly) |
| __ ss, ss | one half |
| stat. | immediately, at once |
| supp | suppository |
| susp. | suspension |
| tab | tablet |
| tbs, tbsp, or T | tablespoon |
| tid | three times a day |
| tinct. or tr. | tincture |
| TKO | to keep open |
| mcg or μg | microgram |
| mEq | milliequivalent |
| mg | milligram |
| Mg | magnesium |
| tsp | teaspoon |
| U, u | unit |
| ung | ointment |
| XL | long acting |
| XR | extended release |
| 5 milliliters = ___? teaspoon | 1 teaspoon |
| 15 milliliters = ___? teaspoons ___? tablespoon ___? ounce | 3 teaspoons = 1 tablespoon = 1/2 ounce |
| 30 milliliters = ___? ounce ?___tablespoon | 1 ounce = 2 tablespoons |
| 1 tablespoon = ___ ? teaspoons | 3 tsp |
| 1 ounce= ___? tablespoons | 2 tablespoons |
| 1 kg = ___? lbs. | 2.2 pounds |
| how to calculate mL/hr | Total Volume / Total Time (HOURS) = mL/hr |
| how to calculate Drops per minute (gtt/min) | Total Volume x Drop Factor / Total time (MINS.) = gtt/min |