Have you been living half of every month suffering from debilitating headaches?

If so you may be suffering from Chronic Migraine. An individual may be considered to be suffering from chronic migraine when he or she has headaches occurring 15 or more days per month of which 8 days or more have features of migraine, as described below, for at least 3 months:1

Migraine is a specific type of headache with pain that can last anywhere from 4 hours up to 3 days.1

  • Pain is usually moderately to severely intense, throbbing or pulsating, and often occurring on 1 side of the head.
  • Can be accompanied by nausea and/or vomiting, and sensitivity to light and sound.
  • Can become aggravated (get worse) by routine physical activity (e.g., walking or climbing stairs).
  • Changes in vision or hearing, called aura, may be present and come just before or just as the migraine begins.

There may be many people out there that have Chronic Migraine but have yet to be diagnosed.

Speak with a headache specialist. If you are not sure download this simple-to-use migraine diary to record details of your migraine attacks to share with the doctor. If you do not have a doctor or would like to see a doctor who specializes in headache disorders, find one now.

Once your condition has been diagnosed, you and your doctor can determine the most appropriate course of treatment. There are many different treatment options available.

Chronic Migraine is more common than you think

The estimated worldwide overall prevalence of Chronic Migraine is typically in the range of 1.4% to 2.2%.2 Using the low end of these estimated global prevalence rates, more than 370,000 adult Canadians 18 years or older may suffer from Chronic Migraine.↑3

"Chronic Migraine is vastly underdiagnosed in Canada, as it is around the world," says Dr. Jonathan Gladstone, FRCPC, Director of the Canadian Headache Society and a practicing neurology specialist at Cleveland Clinic Canada.

Chronic Migraine can have a significant impact on daily life4,5

People with Chronic Migraine experience a greater impact on their lives than people who have migraines less often (i.e., individuals who suffer from episodic migraine).4,5

It has been shown that people suffering from Chronic Migraine may be more likely than those suffering from fewer migraines, to miss 5 or more days of: work or school, household work or family activities.4 If you are suffering from chronic migraine, find out more about the available treatment options.

Findings from a large, population-based study conducted in the US, have shown that, over a 3-month period, people suffering from Chronic Migraine were more likely than those suffering from episodic migraine to miss 5 or more days of:4

  • Work or school
  • Household work
  • Family activities


Find a doctor who treats headache disorders like Chronic Migraine near you.

Take the Chronic Migraine Screener.

Do you think you might be suffering from
Chronic Migraine? Print out this document
and fill in your responses and discuss
them with your doctor.


Cross Reference: Show

Estimated global Chronic Migraine prevalence rate of 1.4 per cent as sourced from Natoli JL et al. Global Prevalence of Chronic Migraine: A Systematic Review. Cephalalgia. 2010 May;30(5):599-609; has been applied to 2011 CDN Census figures for those 18+ years of age (n=26,579,040) (Source: Statistics Canada).3,4

References: Show

  1. Headache Classification Subcommittee of the International Headache Society. The International Classification of Headache Disorders: 3rd edition. Cephalalgia. 2013;33(9):629-808.
  2. Natoli JL et al. Global Prevalence of Chronic Migraine: A Systematic Review. Cephalalgia. 2010 May;30(5):599-609.
  3. Statistics Canada. 2011 Census of Canada: Topic-based tabulations. http://www12.statcan.gc.ca/census-recensement/2011/dp-pd/tbt-tt/Rp-eng.cfm?LANG=E&APATH=3&DETAIL=0&DIM=0&FL=A&FREE=0&GC=0&GID=0&GK=0&GRP=1&PID=102011&PRID=0&PTYPE=101955&S=0&SHOWALL=0&SUB=0&Temporal=2011&THEME=88&VID=0&VNAMEE=&VNAMEF=, accessed July 10, 2015.
  4. Bigal ME, Serrano D, Reed M, Lipton RB. Chronic migraine in the population: burden, diagnosis, and satisfaction with treatment. Neurology. 2008;71(8):559-566.