| Term | Definition |
| Anti | Against |
| Trans | Across/Through |
| Erythro | Red |
| Leuko | White |
| Dys | Difficult/Painful |
| Brady | Slow |
| Tachy | Fast |
| Hyper | Increased/High |
| Hypo | Decreased/Low |
| Pseudo | False |
| Pulmon | Lungs |
| Cardio | Heart |
| Oma | Tumor |
| Ectomy | Removal |
| Itis | Inflammatory |
| Pathy | Disease |
| Algia | Pain |
| Megaly | Enlargement |
| Sclerosis | Narrowing/Constriction |
| Emesis | Vomit |
| Edema | Swelling |
| Acute | Quick Onset/Short in Duration |
| Chronic | Long Term/Continuous Duration |
| DAW | Dispense As Written |
| CD | Controlled Diffusion |
| CR | Continuous/Controlled release |
| CRT | Controlled-Release Tablet |
| LA | Long Acting |
| SA | Sustained Action |
| SR | Sustained/Slow Release |
| TD | Time-Delay |
| TR | Time Release |
| XL | Extra-Long |
| XR | Extended-Release |
| 000 | Largest Capsule |
| 5 | Smallest Capsule |
| Sugar Based | Syrup |
| Alcohol Based | Elixer |
| Generic Name | Non-proprietary name that will never change, common name for a drug |
| Brand Name | Patented Proprietary Name or Trade name sold by a specific drug manufacturer |
| Chemical Name | Name that defines the chemical composition of a drug |
| Therapeutic Effect | Desired drug effect to alleviate some conditions or symptoms of disease |
| Side Effect | Undesirable, but not harmful |
| Adverse Effect | Undesirable, potentially harmful |
| Toxic Effect | Drug poisoning, very harmful or life threatening |
| Absorption | The taking in of nutrients from food or liquids |
| Distribution | The ability of a drug to pass into the bloodstream |
| Metabolism | The physical and chemical changes that take place within an organism |
| Excretion | Elimination of waste products through stools and urine |
| Pr in a square | Legend/Prescription Drugs |
| c in a diamond | Controlled Drug |
| N in a circle | Narcotic |