Psychiatric comorbidity in the evolution from migraine to medication overuse headache

F Radat1, C Creac'h, J D Swendsen

  • 1Chronic Pain Treatment Unit, Centre Hospitalo-universitaire, Bordeaux, France. francoise.radat@chu-bordeaux.fr

Insights

Psychiatric comorbidities like mood and anxiety disorders increase the risk of migraine evolving into medication overuse headache (MOH). These conditions often precede MOH development, suggesting a significant role in its progression.

Area of Science:

  • Neurology
  • Psychiatry
  • Addiction Medicine

Background:

  • Migraine is a common neurological disorder.
  • Medication overuse headache (MOH) is a frequent complication of chronic migraine.
  • The role of psychiatric comorbidities in migraine progression to MOH requires further investigation.

Purpose of the Study:

  • To investigate the association between psychiatric comorbidities and the evolution of migraine to MOH.
  • To compare the prevalence of psychiatric disorders in migraineurs (MIG) versus patients with MOH.
  • To determine the temporal relationship between psychiatric disorders and MOH development.

Main Methods:

  • A comparative study involving 41 MIG patients and 41 MOH patients.
  • Retrospective analysis of the order of disorder occurrence.
  • Calculation of odds ratios (OR) and 95% confidence intervals (CI) for psychiatric comorbidities.

Main Results:

  • MOH patients exhibited significantly higher risks of mood disorders (OR=4.5), anxiety (OR=5), and non-analgesic psychoactive substance use disorders (OR=7.6) compared to MIG patients.
  • Psychiatric disorders predominantly occurred before the migraine-to-MOH transformation in the MOH group.
  • Substance-related disorders showed a potential for crossed-family transmission with MOH.

Conclusions:

  • Anxiety and depression are significant risk factors for the development of MOH from migraine.
  • MOH patients have an elevated risk of substance-related disorders, potentially linking MOH to addictive disorders.
  • Psychiatric comorbidities play a crucial role in the pathophysiology and progression of migraine to MOH.

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