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Related Concept Videos

Psychosis: Goals of Pharmacotherapy01:26

Psychosis: Goals of Pharmacotherapy

Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation. For...
Drug Therapy01:28

Drug Therapy

The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
Antipsychotic Drugs: Typical and Atypical Agents01:21

Antipsychotic Drugs: Typical and Atypical Agents

Antipsychotic drugs are classified into first-generation (typical) drugs including phenothiazines; and second-generation (atypical) drugs. Chlorpromazine hydrochloride (Thorazine), a phenothiazine derivative, broadly impacts the central, autonomic, and endocrine systems. This drug, along with typical agents like haloperidol (Haldol), primarily works by antagonizing D2 receptors, thus reducing dopaminergic neurotransmission. However, typical antipsychotics can cause side effects such as sedation...
Psychosis and Antipsychotic Drugs: Overview01:28

Psychosis and Antipsychotic Drugs: Overview

The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic symptoms in all...
Antipsychotic Drugs: Therapeutic Uses and Side Effects01:21

Antipsychotic Drugs: Therapeutic Uses and Side Effects

Antipsychotic drugs primarily block dopamine and serotonin receptors and cholinergic, adrenergic, and histaminergic receptors, thereby reducing hallucinations and delusions in conditions like schizophrenia. However, they can trigger unwanted extrapyramidal effects such as dystonias, Parkinson-like symptoms, and tardive dyskinesia.
Despite these side effects, antipsychotics are used therapeutically for various purposes, including managing schizophrenia, preventing nausea and vomiting, curbing...
Antidepressant Drugs: MAOIs and Other Agents01:23

Antidepressant Drugs: MAOIs and Other Agents

Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...

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Related Experiment Video

Updated: May 20, 2026

Methods for Studying the Mechanisms of Action of Antipsychotic Drugs in Caenorhabditis elegans
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Methods for Studying the Mechanisms of Action of Antipsychotic Drugs in Caenorhabditis elegans

Published on: February 4, 2014

[Clozapine--the neglected potential].

Hanan Munitz1

  • 1Clalit Health Services. hananmo@clalit.org.il

Harefuah
|August 1, 2012
PubMed
Summary

Clozapine is effective for treatment-resistant schizophrenia, offering benefits like reduced aggression and suicide risk. However, severe side effects necessitate careful monitoring, limiting its use in some regions.

Area of Science:

  • Pharmacology
  • Psychiatry
  • Clinical Medicine

Context:

  • Clozapine, an atypical antipsychotic, has been available since 1975.
  • Initially withdrawn due to agranulocytosis, it was reintroduced for refractory schizophrenia.
  • Schizophrenia is a chronic, debilitating mental illness often requiring long-term hospitalization.

Purpose:

  • To review the efficacy and side effect profile of clozapine.
  • To explore reasons for its underutilization in Israel.
  • To highlight the importance of monitoring for clozapine-related adverse events.

Summary:

  • Clozapine demonstrates efficacy in treatment-resistant schizophrenia, improving negative symptoms, aggression, and suicidal ideation.
  • Significant side effects include agranulocytosis, cardiotoxicity, weight gain, and diabetes mellitus, demanding rigorous patient monitoring.

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Development of a Virtual Reality Assessment of Everyday Living Skills
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Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

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Methods for Studying the Mechanisms of Action of Antipsychotic Drugs in Caenorhabditis elegans
07:35

Methods for Studying the Mechanisms of Action of Antipsychotic Drugs in Caenorhabditis elegans

Published on: February 4, 2014

Development of a Virtual Reality Assessment of Everyday Living Skills
10:32

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

  • Low clozapine utilization in Israel is attributed to its side effect profile, monitoring requirements, and preference for newer agents.

    • Impact:

    • Clozapine remains a critical option for patients with severe, refractory schizophrenia.
    • Understanding barriers to clozapine use is essential for optimizing patient care.
    • Strict monitoring protocols are crucial for safe and effective clozapine therapy.