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Psychogenic itch.

Laurent Misery1,2,3, Sabine Dutray4,5, Myriam Chastaing4,6,7

  • 1French Psychodermatology Group, French Society of Dermatology, Paris, France. laurent.misery@chu-brest.fr.

Translational Psychiatry
|March 2, 2018
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Summary
This summary is machine-generated.

Psychogenic itch, where psychological factors trigger or worsen pruritus, is poorly understood by medical professionals. A combined psychological and pharmacological approach may offer effective management for this condition.

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Area of Science:

  • Psychiatry
  • Dermatology
  • Neuroscience

Background:

  • Psychogenic itch is an itch disorder where psychological factors significantly influence pruritus.
  • This condition is not well-recognized by psychiatrists and dermatologists, leading to diagnostic challenges.
  • The exact frequency and underlying mechanisms of psychogenic itch remain poorly understood.

Purpose of the Study:

  • To review current data on psychogenic itch, including its definition, diagnosis, and management.
  • To highlight the significant burden of psychogenic itch on affected individuals.
  • To discuss the ongoing debates regarding its classification, psychopathology, and physiopathology.

Main Methods:

  • Literature review summarizing existing data on psychogenic itch.
  • Discussion of diagnostic difficulties and the role of psychological factors.
  • Exploration of neurophysiological and psychological theories, including potential neurotransmitter involvement.

Main Results:

  • Psychogenic itch is characterized by itch as the central symptom, influenced by psychological elements.
  • Differential diagnosis is challenging, making prevalence data scarce.
  • A management strategy combining psychological and pharmacological interventions shows promise.

Conclusions:

  • Psychogenic itch requires cautious diagnosis, acknowledging the interplay between psychological factors and pruritus.
  • Neurophysiological and psychological perspectives are crucial for understanding this disorder.
  • Further research, particularly using brain imaging, is needed to elucidate the mechanisms of psychogenic itch.