Neuropathic pain, mood, and stress-related disorders: A literature review of comorbidity and co-pathogenesis

Neurosci Biobehav Rev. 2024 Jun:161:105673. doi: 10.1016/j.neubiorev.2024.105673. Epub 2024 Apr 16.

Abstract

Neuropathic pain can be caused by multiple factors, and its prevalence can reach 10% of the global population. It is becoming increasingly evident that limited or short-lasting response to treatments for neuropathic pain is associated with psychological factors, which include psychiatric comorbidities known to affect quality of life. It is estimated that 60% of patients with neuropathic pain also experience depression, anxiety, and stress symptoms. Altered mood, including stress, can be a consequence of several painful conditions but can also favor pain chronicization when preexisting. Despite the apparent tight connection between clinical pain and mood/stress disorders, the exact physiological mechanisms remain unclear. This review aims to provide an overview of state-of-the-art research on the mechanisms of pain related to the pathophysiology of depression, anxiety, and stress disorders.

Keywords: Anxiety; Chronic pain; Depression; Mood disorders; Neuropathic pain; Stress.

Publication types

  • Review
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Comorbidity*
  • Humans
  • Mood Disorders / epidemiology
  • Mood Disorders / physiopathology
  • Neuralgia* / epidemiology
  • Neuralgia* / physiopathology
  • Stress, Psychological / epidemiology
  • Stress, Psychological / physiopathology