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Medical Abbreviation
Medical Abbreviations
| Term | Definition |
|---|---|
| aq | Water |
| ā | Before |
| BP | Blood Pressure |
| c̅ | Withdraw |
| d.c.* ; D/C* | Discontinue |
| disp | Dispense |
| et | And |
| iss* ;is̅s̅* | One and a half |
| NKA | No known allergies |
| NKDA | No known drug allergies |
| NPO. ; n.p.o. | nothing by mouth |
| po ; p.o. ; PO ; P.O. | by mouth |
| p̅ | After |
| q ; q. | every |
| s̅ | Without |
| qs | quantity sufficient |
| sig ; sig. | write on label |
| ss* ; s̅s̅* | one-half |
| sys | Systolic |
| tbsp ; tbs ; T | tablespoon |
| tsp ; t | teaspoon |
| cap ; caps | capsule |
| comp | compound |
| dil ; dil. | dilute |
| EC | enteric-coated |
| elix ; elix. | elixir |
| ext ; ext. | extract |
| fld. ; fl | fluid |
| LA | Long-acting |
| gt ; gtt* | drop, drops |
| liq | liquid |
| MDI | metered-dose inhaler |
| sol ; soln. | Solution |
| SR | slow-release ; sustained-release |
| supp ; supp. | Suppository |
| susp ; susp. | suspension |
| syr | syrup |
| syr | syringe |
| tab | tablet |
| tr ; tinct ; tinc. | Tincture |
| ung ; oint | ointment |
| ad* ; A.D.* ; AD* | Right Ear |
| A.S.* ; as* ; AS* | Left ear |
| au* ; A.U.* ; AU* | both ears |
| GT | gastronomy tube |
| ID | intradermal |
| IM ; I.M. | intramuscular |
| IV ; I.V. | intravenous |
| KVO ; TKO | keep vein open, to keep open |
| od* ; O.D.* ; OD* | right eye |
| os* ; O.S.* ; OS* | left eye |
| ou* ; O.U.* ; OU* | both eyes |
| per | Per ; by ; through |
| P.R. ; p.r. ; PR ; pr | rectally |
| subcut | Subcutaneous ; beneath the skin |
| SL ; sl | Sublingual ; under the tongue |
| top ; TOP | topical ; applied to skin surface |
| AC ; ac ; a.c. | before meals |
| ad. lib. ; ad lib | as desired; freely |
| b.i.d. ; bid ; BID | twice daily |
| b.i.w. | Twice weekly |
| h ; hr | hour |
| h.s. ; *hs ; *HS* | hour of sleep |
| LOS | length of stay |
| Min | minute |
| non rep | Do not repeat |
| noc ; noct | Night |
| p.c. ; pc ; PC | after meals |
| p.r.n. ; prn ; PRN | when necessary ; when required |
| QID ; q.i.d. ; qid | 4 times a day |
| qam ; q.am. | every morning |
| qpm | every night |
| q.h. ; qh | Every hour |
| q. _____ hrs ; q _____ h | every ____ hours |
| qhs* ; q.h.s.* | every night, at bedtime |
| rep | repeat |
| stat | Immediately |
| t.i.d. ; tid ; TID | 3 times a day |
| t.i.w.* | 3 times a week |