| A | B |
|---|
| Absorption | Movement of drug from its site of administration to the bloodstream |
| Distribution | Transport of drug in the bloodstream to the site of action |
| Metabolism | Biochemically alters a drug to make it usable in the body |
| Effect | The intended use of the drug |
| Excretion | Elimination of drug and its metabolites |
| Ophthalmic | In the eye |
| Otic | In the ear |
| Nasal | In the nostril/nose |
| Oral | Pills, liquids, suspensions |
| Buccal | Side of the mouth |
| Sublingual | Under the tongue |
| Inhaled | Breathed into the lungs |
| Intramuscular | In a muscle |
| Intravenous | In a vein |
| Subcutaneous | In fat tissue |
| Rectal | Suppositories/in the rectum |
| Topical | Delievered directly to an area-usually skin |
| Side Effect | An effect other than the indicated use of the drug that may or may not be undesirable |
| Adverse reaction | Undesirable effect that is a direct response to the drug |
| Adverse drug event | undesirable event that has happened involving a medication |
