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Medical Abbreviation
Common medical abbreviations
| Question | Answer |
|---|---|
| IM | intramuscular |
| IV | intravenous |
| IV PB | intravenous piggyback |
| SC | subcutaneous |
| SL | sublingual-under the tongue |
| ID | intradermal |
| GT | gastrostomy tube |
| NG | nasogastric tube |
| NJ | nasojejunal tube |
| p.o. | by mouth, orally |
| p.r. | per rectum, rectally |
| O.D. | right eye |
| O.S. | left eye |
| O.U. | both eyes |
| A.D. | right ear |
| A.S. | left ear |
| A.U. | both ears |
| a.c. | before meals |
| p.c. | after meals |
| ad. lib. | as desired, freely |
| p.r.n. | when necessary |
| q.i.d. | four times a day |
| min | minute |
| h | hour |
| q.h | every hour |
| q.2h | every two hours |
| q.3h | every three hourse |
| q.4h | every four hours |
| q.6h | every six hours |
| q.8h | every eight hours |
| q.12h | every eight hours |
| q.12h | every twelve hours |
| q | every |
| qs | quantity sufficient |
| aq | water |
| NPO | nothing by mouth |
| SS | one-half |
| gtt | drop |
| tab | tablet |
| h.s. | hour of sleep, at bedtime |
| stat | immediately, at once |
| b.i.d. | twice a day |
| t.i.d. | three times a day |
| cap | capsule |
| et | and |
| noct | night |