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Drugs

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DRUGS, , > The drug is a chemical substance which is used to, prevent or cure diseases in human beings or, animals., , > According to WHO, drug is defined as “any, substance used to modify or explore physiological, systems or pathological states for the benefit of, recipient.”, , > Drug may also be defined as “Synthetic or natural, substances which are used to relieve discomfort, and restore a state of well being.”

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An Ideal Drug, , An ideal drug should satisfy the following, requirements:, , >, , >, , VV V, , When administered to host, It’s action should be, localized at the site where it is desired to act., , It should act on a system with efficiency and, safety., , It should not be toxic., , It should have minimum side effects., , It should not damage host tissues or physiological, processes., , The cells should not become resistant to the drug, after sometime., , Very few drugs satisfy all the above conditions and, hence the search for ideal drugs still continues.

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Antipyretics, , These are the substances which reduce, body temperature in high fever., Ex. Paracetamol, , Aspirin, , Antipyretics are also analgesics.