| A | B |
| instillation | liquid is dropped or poured slowly into a body cavity or on the surface of the body, such as into the ear or onto the conjuctiva of the eye. |
| intradermal | injected into the skin |
| intramuscular | injected into a muscle |
| intrathecal | injected into the meninges around the spinal cord |
| oral | given by mouth (per os) |
| parenteral | administered by other than oral route, specifically by injection |
| rectal | administered by rectal suppository or enema |
| subcutaneous | injected beneath the skin; hypodermic |
| sublingual | administered under the tongue |
| topical | applied to the surface of the skin |
| transdermal | absorbed through the skin |
| aerosol | solution dispersed as a mist to be inhaled |
| aqueous solution | substance dissolved in water |
| elixer | a clear, pleasantly flavored and sweetened hydro-alcoholic liquid |
| emulsion | a mixture in which one liquid is dispersed but not dissolved in another liquid |
| liniment | mixture in oil, soap solution, or other liquid intended for external application |
| lotion | solution prepared for topical use |
| ointment | drug in a base that keeps it in contact with the skin |
| suspension | fine particles dispersed in a liquid; must be shaken before use |
| tincture | substance dissolved in an alcoholic solution |
| capsule | material in a gelatin container that dissolves easily in the stomach |
| suppository | substance mixed and molded with a base that melts easily when inserted into a body opening |
| tablet | a solid dosage form containing a drug in a pure state or mixed with a non-active ingredient and prepared by compression or molding; AKA, a pill |
| ampule | a small sealed glass or plastic container used for sterile intravenous solutions |
| bolus | a concentrated amount of a diagnostic or therapeutic substance given rapidly IV |
| catheter | a thin tube that can be passed into a body cavity, organ, or vessel |
| syringe | an instrument for injecting fluid |
| vial | a small glass or plastic container |
| antagonist | a substance that interferes with or opposes the action of a drug |
| contraindication | a factor that makes the use of a drug undesirable or dangerous |
| efficacy | the power to produce a specific result;effectiveness |
| generic name | the nonproprietary name of a drug; usually a simplified version of the chemical name. Not capitalized |
| potentiation | increased potency created by two drugs acting together |
| prescription | written and signed order for a drug with directions for its administration |
| side effect | an undesirable effect of treatment with a drug or other form of therapy |
| synergy | combined action of two or more drugs working together to produce an effect greater than any of the drugs could produce when acting alone; also called synergism |
| trade name | the brand name of a drug, a registered trademark of the manufaturer. Written with a capital letter. |