2024/2025
Pharmacology - ✔️✔️the study of medicines
Responses to drugs depends on - ✔️✔️Age
Sex
Body Mass
Health Status
Genetics
A drug is prescribed for - ✔️✔️disorder/disease, also known as its indication
Therapeutics - ✔️✔️The prevention of disease and treatment of suffering
Pharmacotherapy/pharmacotherapeutics - ✔️✔️Administration of drugs for the purpose of
disease prevention or treatment and relief of disease/suffering
Drug - ✔️✔️a chemical agent capable of producing biological responses in the body
Advantages of prescription drugs - ✔️✔️- Ordered by a health-care provider after client is
examined
- Amount and frequency of a drug is monitored and controlled
- Patient teaching provided
Disadvantages of prescription drugs - ✔️✔️- Requires a prescription
- Requires an appointment
OTC - ✔️✔️Over the counter
Advantages of OTC drugs - ✔️✔️- No appointment
- No prescription required
- Less expensive
Disadvantages of OTC drugs - ✔️✔️- May select wrong drug
- May not know side effects
- Ineffective results
Canadian Drug Regulation - ✔️✔️- Health Canada-protect Canadian public
- Ensure safety, effectiveness and high quality drugs
- Long, extensive phases for approval of prescription drugs
- Only 10% of drugs become available to the public
, Therapeutic Classification - ✔️✔️therapeutic usefulness in treating a disease
Pharmacology classification - ✔️✔️way in which drug works in the cells, tissue or on a
body system
- addresses mechanism of action (how drug produces its effect)
- more specific than therapeutic classification
- requires understanding of physiology and biochemistry
Chemical Name - ✔️✔️- Assigned using standard names/terms by International Union of
Pure and Applied Chemistry
- Describes physical and chemical properties
Generic Name - ✔️✔️Chemical substance - or generic equivalent to brand/trade drug,
less expensive
Brand/Trade Name - ✔️✔️Assigned by company marketing drugs, years of research,
expensive
Controlled Substances - ✔️✔️drugs that have the potential for abuse and dependency,
both physical and psychological
- Only dispensed for specific conditions/diseases
- Must be labelled with letter "C" outside container
ex. Amphetamines, Barbiturates - ✔️✔️Controlled Substances
Schedule I - ✔️✔️Available only by prescription and provided by a pharmacist
Schedule II - ✔️✔️Obtained in an area with no public access and provided by a
pharmacist
Schedule III - ✔️✔️Open access in pharmacy
Unscheduled - ✔️✔️Can be sold anywhere
Components of Pharmacokinetics - ✔️✔️1. Absorption
2. Distribution
3. Metabolism
4. Excretion
Absorption - ✔️✔️- Movement from site of administration to circulating fluids
- The primary factor determining length of time for effect of drug to occur
Factors affecting drug absorption - ✔️✔️1. Route of Administration
2. Drug dosage