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Chapter 1
| Term | Definition |
|---|---|
| drug | chemicals that act on living systems at the molecular level |
| pharmacology | the study of drugs and their effects on living organsims |
| Pharmacodynamics | the study of the action of drugs on living organisms |
| Pharmacokinetics | the study of what the body does to a drug; the measurement of the absorption, distribution, metabolism, and excretion of drug from the body |
| brand (trade) name | the manufacturer’s name, written with the first letter capitalized |
| generic name | name for the chemical makeup of a drug, written in lowercase, first letter NOT capitalized |
| contraindications | medical or physical conditions that make the drug inadvisable |
| synergism | getting more than the desired effects when taking two drugs |
| tolerance | decreased effect of a drug over time with the patient needing larger doses to achieve the same effect. |
| toxicology | the study of the harmful effects of drugs on living tissues |
| Therapeutic effect | desired effect of drugs |
| efficacy | the maximum intensity of effect or response that can be produced by a drug |
| chemically equivalent | when two formulations of a drug meet the chemical and physical standards |
| biologically equivalent | when two formulations of a drug produce similar concentrations of the drug in the blood and tissues |
| therapeutically equivalent | When two formulations of a drug prove to have equal therapeutic effects |
| orphan drugs | drugs developed to specifically treat rare medical conditions |
| schedule 1 | Highest abuse potential, no accepted medical use. ex: marijuana, cocaine, heroine, hallucinogens |
| schedule 2 | high abuse potential. requires prescription. must be written in pen. cannot be telephoned to pharmacist and cannot be refilled. ex: morphine, oxycodone, amphetamine |
| schedule 3 | moderate abuse potential. requires prescription. May be telephoned to pharmacist, refills 5 times in 6 months. ex: codeine mixtures (Tylenol #3) |
| schedule 4 | less abuse potential. requires prescription. may be telephoned to pharmacist, refills 5 times in 6 months. ex: Diazepam (Valium), tramadol (Ultram) |
| schedule 5 | least abuse potential, some can be bought over the counter. ex: codeine cough syrup |
| qd | once a day |
| bid | twice a day |
| tid | three times a day |
| qid | four times a day |
| pc | after meals |
| ac | before meals |
| PO | by mouth |
| prn | as needed |
| hs | at bedtime |