Variables that Affect Drug Action

There several different variables that may affect how the drugs act and what it will do to a human body. Majority of drugs mimic or inhibit normal physiological processes that inhibits pathological processes in the body. The following can inhibit or heighten the effect of any given drug.

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Basic Concepts and Processes in Pharmacology

Most drug actions occur at the cellular level and occurs either on the cell surface or within the cell. Drug action is relatively selective where not all cells respond to a given drug and cell that do respond contain receptor sites for particular drugs. Receptors are chemical groups that participate in some aspect of cell metabolism. Drug molecules must then connect or interact with receptors for drug action to occur. To achieve maximum effect of the drug, all receptor sites should be occupied by the drug molecules.

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Introduction to Pharmacology

Pharmacology is the study of drugs that later functions by preventing, diagnosing, or curing disease process. Pharmacology provides palliation and offers a decrease in the signs and symptoms of the disease.

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