![](/user_photo/_userpic.png)
книга / 2011Pharmacologywk1
.pdf![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj1x1.jpg)
Basic Pharmacology
Drugs
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj2x1.jpg)
Pharmacology
Basic Principles
Study of drugs
Actions
Dosage
Therapeutic uses (indications)
Adverse effects
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj3x1.jpg)
Pharmacology
Directly linked to the pathophysiology of a particular disease
Drug = a substance that alters biologic activity in a person
May be from natural sources
Plants, animals, microorganisms
May be synthesized
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj4x1.jpg)
Pharmacology
Drugs may be prescribed to:
Promote healing
Cure disease
Control or slow progression of disease
Prevent disease
Decrease risk of complications
Increase comfort level
Reduce excessive activity in the body
sedative
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj5x1.jpg)
Pharmacology
Drug Effects
Therapeutic or desired action
Stimulating or inhibiting cell function or block the effects of biochemicals in the tissues
antihistamine
Physical or mechanical action
laxative
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj6x1.jpg)
Pharmacology
Unwanted effects on the body
Mildside effects
Antihistamines may cause dry mouth
Dangerous or cause tissue damage, or are life threateningadverse or toxic effects
Excessive bleeding
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj7x1.jpg)
Pharmacology
Over the counter
OTC
Drugs that an individual can purchase without a “note” from their doctor.
Still recommended that a doctor be consulted when there are other medical conditions or prescriptions being taken
Prescription
The “note” that the doctor writes that details the dosage and instructions
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj8x1.jpg)
Pharmacology
Adverse effects
Hypersensitivity or allergic reactions
Rash to anaphylaxis
Patient should stop taking the drug and the physician should be contacted
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj9x1.jpg)
Pharmacology
Idiosyncratic
Unusual or unexpected reactions to drugs
Example
excessive excitement after taking a sedative
![](/html/66322/162/html_8LBbVgsUQr._L89/htmlconvd-cVVSqj10x1.jpg)
Pharmacology
Iatrogenic
Negative effects on the body due to:
medication error,
drug overdose or
unusual response