| Sig Codes For drug abbreviations, go to our Drug Abbreviations page. Also see the Health Conditions Abbreviations page. |
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We strongly support the Institute
for Safe Medical Practices (ISMP) and their work in
reducing errors in pharmacy. ISMP has created a list of
dangerous medical abbreviations. If the sig code is on the
list, then you will find it linked to the ISMP page
describing the danger. Notice
the sig code "au" as an
example. Please
report medication
errors or hazards to
ISMP at http://www.ismp.org/Pages/communications.html. |
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Meaning
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Suggest a sig code |
| 1°, 2° a aa ac ad ad AM amp apl aq as au bid c C cap cc cd cid cmpd cr d DAW DC, dc, d/c disp DS dx elix eq et fid 5x/d g, gm gen gr gtt h, hr HD hs H2O IM inj IU IV kg l liq lot max MDI meq, mEq mcg µg mg min min ml mm mo neb noct npo, NPO nr od os ou oz p pc pc breakfast per per PM po, per os PR, pr prn PV, pv q qam qd qhs q 4 h q 7 PM qid qn qod qs r, rec rept rf s sc sid Sig sl sol sq ss ss stat subq, sub q sup susp sx syr tab tea tbsp tid tiw tsp tx U, u ud, utd ung vag x3d wc YO / < > |
1 hour, 2 hours, etc. before of each before meals ("before a meal" if once daily dosing) right ear as directed (used occasionally in error) morning ampules applicatorful (for vaginal creams) water left ear both ears twice daily with 100 capsule(s) cubic centimeter (same as milliliter or ml) cycle day (menstrual cycle) fives times daily (rarely used now) compound cream daily or day Dispense as Written (no generic) discontinue (or discharge from hospital) dispense double strength diagnosis elixir equivalent and five times daily five times daily gram generic grain, about 60 mg drop(s) hour(s) high dose at bedtime water intramuscularly (for injectables) inject, injection international units intravenously (for injectables) kilogram liter(s) liquid lotion maximum (metered dose) inhaler milliequivalent(s) microgram microgram milligram(s) minute minimum milliliter(s) millimeters month nebulizer night nothing by mouth no refills right eye (or once daily) left eye both eyes ounce after after meals ("after a meal" if once daily dosing) after breakfast per (per day, week, month or other time period) in (in nebulizer, in rectum, in vagina) evening or nighttime by mouth rectally (per rectum) as needed in the vagina, vaginally every every morning every day or once daily every night at bedtime, at bedtime nightly every 4 hours every day at 7 PM four times daily every night every other day sufficient amount rectally repeat refill(s) without subcutaneous once daily (written by veterinarians) directions (dissolve) under the tongue solution subcutaneous (for injectables) one-half sliding scale (for insulin) immediately subcutaneous (for injectables) suppository suspension symptoms syrup tablet(s) teaspoonful, teaspoonfuls, 5 ml tablespoonful, tablespoonfuls, 15ml three times daily three times weekly (also biw, qiw, etc) teaspoonful, teaspoonfuls, 5 ml treatment unit as directed ointment vaginally, in the vagina for 3 days (or maybe 3 doses, caution) with meals ("with a meal" if once daily dosing) years old per (example - "Max 5/12 h" = "maximum of 5 per 12 hours") less than greater than |
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teaspoonful, teaspoonfuls, 5 ml | |
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ounce, 28.4 ml, usually rounded to 30ml | |