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39: Psychopharmacology

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    77120

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    • 39.1: Introduction to Psychopharmacology
      This page discusses psychopharmacology, focusing on how drugs impact behavior by affecting brain function and neurotransmitter communication. It highlights the role of psychoactive drugs in altering perception and emotions, their implications for psychological conditions, and treatment approaches. The page covers the mechanisms of drugs as agonists or antagonists and their side effects, while providing insights into brain function and the nature of addiction.
    • 39.2: Pharmacokinetics- What Is It And Why Is It Important?
      This page covers pharmacokinetics of psychoactive drugs, detailing the ADME framework—absorption, distribution, metabolism, and excretion. It highlights the influence of drug administration routes on onset speed and addiction potential, particularly with rapid methods like IV and inhalation. The section emphasizes liver metabolism and enzyme interactions, discussing how enzyme induction can lead to tolerance.
    • 39.3: Recent Issues Related To Psychotropic Drugs And Metabolism
      This page discusses the impact of grapefruit juice on drug metabolism by inhibiting cytochrome P450 enzymes, which can lead to dangerous drug levels, especially for psychotropic drugs. It highlights the importance of personalized treatment approaches considering genetic differences in drug metabolism to improve prescribing practices and reduce adverse effects of antidepressants.
    • 39.4: Other Controversial Issues
      This page examines the increasing rates of mental disorders in children and adolescents, attributing this to heightened awareness and changes in diagnostic standards. It underscores the insufficient testing of psychotropic medications in these younger groups and the risks to developing brains. Additionally, it points out the lack of clinical trial data for the elderly, who face polypharmacy and greater side effects.

    39: Psychopharmacology is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts.