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Diagnostic and Statistical Manual of Mental Disorders (DSM)01:27

Diagnostic and Statistical Manual of Mental Disorders (DSM)

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Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...
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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.
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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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Psychotropic marketing practices and problems: implications for DSM-5.

Melissa Raven1, Peter Parry

  • 1Discipline of Public Health, Flinders University, Adelaide, South Australia, Australia.

The Journal of Nervous and Mental Disease
|July 27, 2012
PubMed
Summary

The Diagnostic and Statistical Manual of Mental Disorders (DSM) has led to overprescribing of psychiatric medications. Upcoming DSM-5 changes may worsen this trend, particularly with primary care physicians diagnosing subthreshold cases.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Psychopharmacology

Background:

  • The Diagnostic and Statistical Manual of Mental Disorders (DSM) diagnostic model has historically encouraged "cookbook" diagnoses and the notion of a "chemical imbalance" in psychiatric disorders.
  • Pharmaceutical marketing, including online self-diagnosis tools, has contributed to the overprescribing of psychotropic medications.
  • Primary care physicians, who conduct most psychotropic prescribing, are often excluded from DSM field trials and influenced by industry-funded opinion leaders.

Purpose of the Study:

  • To analyze the impact of the DSM's descriptive diagnostic model on psychiatric diagnosis and psychotropic prescribing.
  • To evaluate the potential consequences of the DSM-5's revised criteria and expanded categories on diagnostic practices and medication use.
  • To highlight the role of pharmaceutical marketing and physician influence in the overprescription of psychotropic drugs.

Main Methods:

  • Critical analysis of the DSM diagnostic framework and its evolution since DSM-III.
  • Review of pharmaceutical industry marketing strategies related to psychiatric disorders.
  • Examination of prescribing patterns, particularly by primary care physicians, in relation to diagnostic criteria.
  • Case study analysis of conditions like pediatric bipolar disorder and disruptive mood dysregulation disorder.

Main Results:

  • The DSM's approach has facilitated "cookbook" diagnoses and the "chemical imbalance" theory, exploited by pharmaceutical marketing.
  • Overprescribing of psychotropic medications is a significant issue, exacerbated by self-diagnosis tools and industry influence.
  • The DSM-5's broader criteria and new disorders are predicted to increase the diagnosis of subthreshold cases and off-label prescribing.
  • The expansion of "not otherwise specified" categories and specific new diagnoses (e.g., disruptive mood dysregulation disorder) may lead to further overdiagnosis and overprescribing.

Conclusions:

  • The current DSM diagnostic model, coupled with external influences, contributes to the overdiagnosis and overprescribing of psychotropic medications.
  • Upcoming changes in DSM-5 are likely to intensify these issues, particularly affecting primary care settings.
  • There is a need for critical evaluation of diagnostic criteria and a reduction in the influence of pharmaceutical marketing on clinical practice.