| A | B |
| Propietary | Brand or trade name of a drug; legally registered trademark name |
| Non-proprietary | Generic name of a drug |
| USP | o United State Pharmacopoeia - source of drug information regarding source, appearance, poperties, etc. of a drug |
| BID | give twice daily |
| QD | give every day |
| PO | per os (orally) |
| PRN | give as needed |
| OU | both eyes |
| OS | left eye |
| OD | right eye |
| AU | both ears |
| Bolus | single, large volume injection |
| CRI | Constant Rate Infusion - medication is mixed in IV fluids and given through IV catheter over time (usually hours) |
| Dosage | amount of drug per body weight |
| Dose | amount of drug administered |
| Parenteral | given by a route other than the gastrointestinal tract |
| Nonparenteral | Enteral; given through the gastrointestinal tract |
| Repository | Depot; injectable drugs that have been altered to delay absorption |
| Grain | Aopthecary unit of measure; 60 mg |