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Abbreviations & Smbo
Abbreviations in Prescriptions & Symbols
| Term | Definition |
|---|---|
| āā, aa | Of each |
| ac | Before meals |
| ad lib | As desired |
| AM, am | Morning |
| amt | Amount |
| aq | Water |
| bid, BID | Twice a day |
| bin | Twice a night |
| c̄ | With |
| cap, caps | Capsule |
| comp | Compound |
| d | Day |
| IM | Intramuscular |
| Inj | Inject |
| liq | Liquid |
| mixt | Mixture |
| noc, noct | Night |
| non rep | Do not repeat, no refill |
| NPO | Nothing by mouth (nulla per os) |
| oint | Ointment |
| pc | After meals |
| per | Through or by |
| pm, PM | Afternoon |
| po | By mouth |
| pr | Through the rectum |
| dil | Dilute |
| disp | Dispense |
| elix | Elixir |
| hr | Hour |
| pulv | Powder |
| q | Every |
| qh | Every hour |
| q2h | Every 2 hours |
| qid, QID | Four times a day |
| qs | Quantity sufficient, As much as you wish |
| s̄ | Without |
| sig | Write on label |
| sol | Solution |
| prn | As needed |
| pv | Through the vagina |
| sp | Spirits |
| sos | If necessary |
| stat | Immediately |
| supp | Suppository |
| syr | Syrup |
| top | Topically |
| tab | Tablet |
| tid, TID | Three times a day |
| tr, tinct | Tincture |
| u.d. | As directed |
| vo | Verbal order |
| ◻︎ | Left |
| △ | Change |
| ®️ | Right |
| > | Greater than |
| < | Less than |
| = | Equal to |
| ↑ | Increase |
| ↓ | Decrease |
| Ø | None |
| ' | Minutes |
| " | Seconds |
| ∘ | Hours |
| 1° | Primary |
| 2° | Secondary |
| ℨ | Teaspoonful, 5 ml (dram) |
| ✕ | Times (as in two times a week) |
| # | Pound |
| ♀ | Female |
| ♂ | Male |
| ♍️ | Minim |
| div | Divide |