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Abbreviations
Prescription Abbreviations
| Question | Answer |
|---|---|
| aa | of each |
| ad | up to |
| a.c. | before meals |
| a.d. | right ear |
| amp | ampule |
| amt | amount |
| aq | water |
| a.l., a.s. | left ear |
| A.T.C. | around the clock |
| a.u. | both ears |
| bis | twice |
| b.i.d. | twice daily |
| B.M. | bowel movement |
| B.S. | blood sugar |
| cc | with food |
| D.A.W. | dispense as written |
| dc, D/C, disc | discontinue |
| disp. | dispense |
| et | and |
| gtt(s) | drops |
| h.s. | at bedtime |
| ID | intradermal |
| IM | intramuscular |
| inj. | injection |
| L.A.S. | label as such |
| N.M.T. | not more than |
| noct. | at night |
| o_2 | both eyes, sometimes written as o2 |
| o.d. | right eye |
| o.s. | left eye |
| o.u. | both eyes |
| per | by, through |
| p.c. | after meals |
| prn | as needed |
| p.o. | by mouth, orally |
| q.o.d. | every other day |
| s | without (usually written with a bar on top of the "S") |
| SL | sublingually, under the tongue |
| sol | solution |
| ss | one half |
| supp | suppository |
| t.i.w. | three times a week |
| ung. | ointment |
| w | with |
| w/o | without |
| X | times |
| Y.O. | years old |