[Chronic migraine: definition, epidemiology, risk factors and treatment]

Francisco J Carod-Artal1, Pablo Irimia, David Ezpeleta

  • 1Servicio de Neurología, Hospital Virgen de Luz, Cuenca, España. fjcarod-artal@hotmail.com

Abstract

Insights

Chronic migraine, a frequent complication of migraine, significantly increases disability and impacts quality of life. Effective management involves identifying and controlling risk factors, alongside specific and preventive treatments.

Area of Science:

  • Neurology
  • Public Health

Background:

  • Chronic migraine is a common complication of migraine, characterized by headaches on 15+ days/month.
  • It affects 1-3% of the population and causes significant disability compared to episodic migraine.

Purpose of the Study:

  • To summarize the epidemiology, risk factors, and management of chronic migraine.
  • To highlight the impact of chronic migraine on quality of life and productivity.

Main Methods:

  • Review of epidemiological data on chronic migraine prevalence and incidence.
  • Identification of modifiable and non-modifiable risk factors associated with chronic migraine development.
  • Summary of current management strategies, including risk factor control and pharmacological treatments.

Main Results:

  • Chronic migraine is associated with higher rates of disability, decreased productivity, and poorer quality of life.
  • Risk factors include female gender, low socioeconomic status, anxiety, depression, obesity, and medication overuse.
  • Preventive treatments like topiramate and Onabotulinumtoxin A have demonstrated effectiveness.

Conclusions:

  • Chronic migraine is a prevalent condition requiring comprehensive management.
  • Management should focus on reducing attack frequency, mitigating disability, and enhancing patient quality of life.

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