| A | B |
|---|
| APAP | acetaminophen |
| ASA | acetylsalicylic acid |
| cap | capsule |
| elix | elixir |
| FDA | Food and Drug Administration |
| INH | isoniazid (anti-tubercular drug) |
| MED(s) | medicine(s), medication(s) |
| NSAID(s) | nonsteroidal anti-inflammatory drug(s) |
| OTC | over-the-counter |
| PDR | Physicians' Desk Reference |
| Rx | prescription |
| supp | suppository |
| susp | suspension |
| tab | tablet |
| tinct | tincture |
| USP | United States Pharmacopeia |
| ung | ointment |
| ac | before meals (ante cibum) |
| ad lib | as desired (ad libitum) |
| aq | water (aqua) |
| bid | twice a day (bis in die) |
| dc | discontinue |
| gt(t) | drop(s) (gutta) |
| hs | at bedtime (hora somni) |
| IM | intramuscular(ly) |
| IU | international unit |
| IV | intravenous(ly) |
| IVPB | IV piggyback |
| NS | normal saline |
| p | after, post |
| pc | after meals (post cibum) |
| po | by mouth (per os) |
| pp | postprandial (following a meal) |
| prn | as needed (pro re nata) |
| qd | every day (quaque die) |
| qh | every hour (quaque hora) |
| q______h | every_____hours |
| qid | four times a day (quater in die) |
| qm | every morning (quaque matin) |
| qn | every night (quaque nox) |
| qod | every other day (quaque [other]die) |
| SC, subcu | subcutaneous(ly) |
| tid | three times a day (ter in die) |
| U | unit(s) |
| x | times |
