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PHARMACY CH5
Dosage forms, Routes,of Administration, Drug classification.
| Term | Definition |
|---|---|
| absorption | Taking in of nutrients and drugs from food and liquids. |
| behind the counter | Nonprescription drugs that are kept behind the pharmacy counter and may have limited amounts sold or require permission of a pharmacist to purchase. |
| bioavailability | The degree to which a drug or substance becomes available to a target tissue after administration. |
| bioequivalence | The relationship between two drugs that have the same dosage and dosage form and have similar bioavailability. |
| distribution | The location of a medication throughout blood, organs, and tissues after administration. |
| excretion | The final elimination of a drug or substance from the body via normal body processes. |
| half-life | The amount of time it takes a chemical to be reduced by 1/2 |
| instill | To place into , instillation instructions are commonly used for ophthalmic or otic drugs. |
| legend drugs | Drugs that require a prescription. |
| Metabolism | Processes by which the body breaks down or converts medications to active or inactive substances . |
| over the counter medication (OTC) | Medication that can be purchased without a prescription. |
| parenteral medication | Medication administered by injection or topically that bypasses the GI System. |
| pharmacokinetics | The study of absorption, metabolism, distribution, and excretion of drugs. |