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chapter 1
Intro to Pharm
| Term | Definition |
|---|---|
| Drug | chemicals that act on living systems at the molecular level |
| Pharmacology | the study of drugs and their effects on living organisms |
| Pharmacodynamics | the study of the action of frugs 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 (e.g., Valium, Vazepam, Tylenol). |
| Generic name | name for the chemical makeup of the drug, written in lowercase, first letter NOT capitalized( e.g., diazepam for Valium or Vazepam, acetaminophen for Tylenol). Generic drugs marketed without brand names are less expensive than brand name drugs. |
| Contraindications | medical or physical conditions that make the drug inadvisable |
| Synergism | getting more than the desired effects when taking two drugs (1+1>2) (e.g., oxycodone + acetaminophen = Percocet) |
| 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 a drugs |
| Efficacy | is 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 |
| qd | once a day (quaque die) |
| bid | twice a day (bis in die) |
| tid | 3 times a day (ter in die) |
| qid | 4 times a day (quarter in die) |
| pc | after meals (post cebum) |
| ac | before meals (ante cebum) |
| po | by mouth (per os) |
| prn | as needed (pro re nata) |
| hs | at bedtime (hora somni) |
| Abuse Potential for Schedule I | Highest |
| Abuse Potential for Schedule II | High |
| Abuse Potential for Schedule III | Moderate |
| Abuse Potential for Schedule IV | Less |
| Abuse Potential for Schedule V | Least |