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Related Concept Videos

Pharmacodynamics: Overview and Principles01:21

Pharmacodynamics: Overview and Principles

Pharmacodynamics is a scientific field that delves into drugs' intricate biochemical, cellular, and physiological effects on the human body. The study of pharmacodynamics helps us understand how drugs interact with the body and elicit various responses.
Most drugs' effects result from their interactions with drug receptors or targets within the body. These interactions trigger specific responses at the cellular or systemic level. Drug receptors can be found on the surfaces of cells or within...
Pharmacogenetics and Pharmacogenomics: Overview01:29

Pharmacogenetics and Pharmacogenomics: Overview

Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
Pharmacokinetics: Overview01:10

Pharmacokinetics: Overview

Pharmacokinetics is a scientific discipline that focuses on the journey of a drug within the body, encompassing four key stages: absorption, distribution, metabolism, and elimination. The first stage, absorption, involves the drug's transfer into the bloodstream. Several factors dictate the extent and speed of this process. For example, the liver often metabolizes oral drugs before they reach systemic circulation, leading to only partial absorption. In contrast, intravenous (IV) administration...
Biopharmaceutics and Pharmacokinetics: Overview01:28

Biopharmaceutics and Pharmacokinetics: Overview

Understanding drugs, drug products, and their performance in pharmaceutical science is pivotal. Drugs, whether simple molecules or complex compounds, are designed to interact with the body's biological systems to diagnose, treat, or prevent diseases. Drug products include various delivery systems such as tablets, capsules, injections, and inhalers. The performance of these drug products is gauged by their ability to deliver the active ingredient to the desired site of action at the appropriate...
Pharmacodynamic Responses: Different Types01:03

Pharmacodynamic Responses: Different Types

Pharmacodynamics is the scientific study of a drug's biochemical or physiological influence on the body. It categorizes responses into continuous, discrete (or categorical), and time-to-event outcomes. Continuous responses yield numerical values within a certain range, such as blood pressure readings and blood glucose levels, gauging the efficacy of antihypertensive and antidiabetic drugs. Discrete responses can be binary, indicating whether a drug has an effect or not, or ordinal, exemplifying...
Drug Administration and Therapy Phases: Overview01:26

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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
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[Pharmacology general concepts].

Juan Antonio Carrillo Norte1

  • 1Universidad Area de Farmacología Clínica, Departamento de Terapéutica Médico-Quirúrgica, Facultad de Medicina, Universidad de Extremadura.

Revista De Enfermeria (Barcelona, Spain)
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PubMed
Summary
This summary is machine-generated.

Rational pharmaceutical prescribing and dispensing require healthcare professionals to possess essential knowledge, critical thinking, and sound methodology. This ensures safe medication practices, minimizing costly therapeutic errors and iatrogenic effects.

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Area of Science:

  • Pharmacology and Therapeutics
  • Health Economics
  • Medical Education

Context:

  • Pharmaceutical prescribing and dispensing are complex processes.
  • Inadequate knowledge and methodology can lead to irrational decisions.
  • Therapeutic errors and iatrogenic medicine result in significant healthcare expenditure.

Purpose:

  • To emphasize the importance of knowledge, critical attitude, and methodology in rational prescribing.
  • To highlight the need for professional development and information for dispensing pharmaceuticals.
  • To underscore the health-social-economic consequences of medication errors.

Summary:

  • Rational prescribing necessitates basic knowledge, critical thinking, and appropriate methodology, moving beyond reflex actions.
  • Effective pharmaceutical dispensing relies on healthcare professionals' continuous development and access to information.
  • Medication errors and iatrogenic events incur substantial resource costs from a health-social-economic viewpoint.

Impact:

  • Promoting rational prescribing reduces the incidence of therapeutic errors.
  • Adequate professional development in dispensing minimizes iatrogenic medicine.
  • Reducing medication-related costs improves overall healthcare resource allocation.