What is duration of drug action?

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Gaetano White asked a question: What is duration of drug action?
Asked By: Gaetano White
Date created: Sun, Feb 28, 2021 7:10 PM
Date updated: Tue, Oct 4, 2022 10:42 PM

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The duration of action of a drug is the length of time that particular drug is effective. Duration of action is a function of several parameters including plasma half-life, the time to equilibrate between plasma and target compartments, and the off rate of the drug from its biological target.

Introduction. The duration of action of a drug is known as its half life. This is the period of time required for the concentration or amount of drug in the body to be reduced by one-half. We usually consider the half life of a drug in relation to the amount of the drug in plasma.

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