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Sig codes
Common sig code abbreviations
| Question | Answer |
|---|---|
| a | before |
| aa | of each |
| aaa | apply to affected area |
| a.c. | before meals |
| a.d. (circle with CAP R inside) | right ear |
| a.m. | morning |
| amp | ampule |
| ag | water |
| ag.dist | distilled water |
| a.s. (circle with CAP L inside) | left ear |
| a.u. | each ear |
| b.i.d. | twice a day (2X a day) |
| b.i.w. | twice a week |
| c (with line over top) | with |
| c.c. | cubic centimeter (same a milliliter ml or mL) |
| cap | capsule |
| cd | cycle day |
| DAW | Dispense As Written |
| disc or D.C. or d/c | discontinue |
| DS | Double Strength |
| eq | equivalent or "equal to" |
| elix | elixir |
| g or Gm | gram |
| gr | grain |
| gtt | drop(s) |
| h or hr | hour |
| h.s. | at bedtime (hour of sleep) |
| IM | intramuscular |
| inj | injection |
| IU or iu | international units |
| IV | intravenous |
| kg | killogram |
| mcg or (funny looking u) ug | microgram |
| mg | milligram |
| ml or ML | milliliter |
| neb | nebulizer |
| non rep or N.R. | do not repeat or no refills |
| o.d. (circle with CAP R inside) | right eye |
| o.i. (circle with CAP L inside) | left eye |
| o.s. (circle with CAP L inside) | left eye |
| o.u. | each eye or both eyes |
| oz | ounce |
| p.c. | after meals |
| post | after |
| pr | rectally |
| p.r.n. | as needed or when required |
| pv | vaginally |
| q (with line over top) | every |
| q.d. | every day |
| q.h. | every hour |
| q.i.d. | four times a day (4X a day) |
| q.o.d. | every other day |
| q.s. | a sufficient quantity |
| q.s. ad | a sufficient quantity to make |
| r or R | rectal |
| s | without (sans) |
| ss | one half |
| sig | directions |
| SL | sudlingual |
| stat | immediately |
| sub, subq, SC, or SQ | subcutaneously |
| supp | suppository |
| susp | suspension |
| tab | tablet |
| tbsp | tablespoonful |
| t.i.d. | three times a day (3X a day) |
| t.i.w. | three times a week |
| tsp | teaspoonful |
| tx | treatment |
| U or u | unit |
| u.d. or ut dict or utd | as directed |
| wc | with meals |
| w/ | with |
| w/o | without |