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Pharmacology
- the study of drugs and their interactions with living organisms,
- derived from: the greek work pharmakon (meaning medicine or drug
- suffix: -ology (means the study of)
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Drug
- Dutch word droog (means dry)
- refers to the use of dried herbs and plants the first medicines.
- Latin word for drug is medicina
- derived from the words medicine and dications
- a drug or a medicine is
- non food chemical substance
- affects the mind or the body
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drugs have three medical uses
- prevent disease
- diagnose disease
- treat symptoms, signs, conditons, diseases
- The study of these uses is known as pharmacotherapy
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preventitive use
- prevent the occurrence of diseases or conditions
- prophylaxis ( greek origin: to keep guard before)
- examples
- prevent mostion sickness prior to traveling
- prevent preganacy
- vaccinations
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Diagnostic use
- by themselves
- in conjuction with procedures/test
- examples:
- radiopaque contrast dye
- cardiac stress test
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Therapeutic use
- used for symptoms, conditons, or diseases to control, improve or cure
- examples:
- antibiotic drugs
- analgesic drugs
- insulin
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During the 1700s and 1800s
- commonly sold without regulation
- accompanied by extravagant claims of cures
- often contained addicting ingredients without its presence being listed
- opium
- morphine
- cocaine
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