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Prescription Terms
Prescription Terms & Abbreviations
| Prescription abbreviation | Prescription term |
|---|---|
| a | before |
| ac | before meals |
| ad lib | as desired |
| AM | morning |
| ASAP | as soon as possible |
| BID | twice a day |
| c | with |
| d | day |
| h | hour |
| hs | bedtime (hour of sleep) |
| mo | month |
| p | after |
| pc | after meals |
| PM | evening |
| PRN | as needed |
| q | every |
| qAM | every morning |
| QD | every day |
| q4h | every four hours |
| QID | four times a day |
| QOD | every other day |
| qPM | every evening |
| rep | repeat |
| STAT | NOW-immediately |
| TID | three times a day |
| UD | as directed |
| wk | week |
| i | 1 |
| ii | 2 |
| iii | 3 |
| iv | 4 |
| v | 5 |
| vi | 6 |
| vii | 7 |
| viii | 8 |
| ix | 9 |
| x | 10 |
| xii | 12 |
| xv | 15 |
| xvi | 16 |
| xx | 20 |
| xxx | 30 |
| L | 50 |
| C | 100 |
| D | 500 |
| M | 1000 |
| ss | 1/2 |
| cc | cubic centimeter |
| g, G, GM | gram |
| gal | gallon |
| gr | grain |
| L | liter |
| lb | pound |
| mEq | milliEquivalent |
| mcg | microgram |
| mg | milligram |
| mL | milliliter |
| no. | number |
| oz | ounce |
| pt | pint |
| qt | quart |
| tsp | teaspoon |
| tbsp | one tablespoon |
| BP | blood pressure |
| c | with |
| D/C | discontinue |
| Disp | dispense |
| HA | headache |
| non rep | no refill |
| N/V | nausea and vomiting |
| qs, qsad | fill up to |
| Rx | prescription; take |
| s | without |
| Sig | signatura; directions for the patient |
| sx | symptoms |
| T, temp | temperature |
| < | less than |
| > | more than |