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Related Concept Videos

Psychosis and Antipsychotic Drugs: Overview01:28

Psychosis and Antipsychotic Drugs: Overview

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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...
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Psychosis: Goals of Pharmacotherapy01:26

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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.
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Drug Therapy01:28

Drug Therapy

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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
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Antipsychotic Drugs: Therapeutic Uses and Side Effects01:21

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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.
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Antipsychotic Drugs: Typical and Atypical Agents01:21

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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...
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Antidepressant Drugs: MAOIs and Other Agents01:23

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Related Experiment Video

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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Na&#239;ve Adolescents at High Risk for Psychosis
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Antipsychotic prescribing.

Ruth Sander1

  • 1The University of Portsmouth.

Nursing Older People
|September 23, 2010
PubMed
Summary
This summary is machine-generated.

Antipsychotic drugs are often used for behavioral disturbances in dementia, but evidence for their long-term effectiveness and safety is limited. Stopping these medications may not worsen behavioral issues and can avoid potential harms like stroke.

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Area of Science:

  • Gerontology
  • Psychiatry
  • Pharmacology

Background:

  • Antipsychotic medications are frequently prescribed for behavioral disturbances in individuals with dementia.
  • Short-term studies (under 12 weeks) suggest antipsychotics can reduce aggression.
  • Concerns exist regarding harmful effects, including an increased risk of stroke.

Purpose of the Study:

  • To evaluate the long-term efficacy and safety of antipsychotic drug use in dementia patients.
  • To investigate the impact of discontinuing antipsychotic medications on behavioral disturbances.
  • To weigh the benefits of aggression reduction against potential adverse events.

Main Methods:

  • Review of existing clinical trial data on antipsychotic use in dementia.
  • Analysis of studies examining short-term versus long-term treatment outcomes.
  • Assessment of adverse event profiles, particularly stroke risk.
  • Examination of data on medication cessation and subsequent behavioral changes.

Main Results:

  • Evidence for antipsychotic efficacy in dementia is primarily based on short-term trials.
  • Antipsychotic drugs are associated with harmful effects, including an elevated risk of stroke.
  • Discontinuation of antipsychotic medication often does not lead to an increase in behavioral disturbances.

Conclusions:

  • The long-term benefits of antipsychotic drugs for dementia-related behavioral disturbances remain uncertain.
  • The risks associated with antipsychotic use, such as stroke, necessitate careful consideration.
  • Antipsychotic medication withdrawal can be a viable strategy, often without exacerbating behavioral symptoms.