Letitia Muresan

Chronic Migraine

Headaches and migraines have unfortunately always been a part of life for many people, greatly affecting their quality of life.

Chronic migraines are a complex and progressive neurological disorder that ranks 19th among the most debilitating illnesses according to the World Health Organization (WHO). Despite considerable advances in our understanding of migraines and their treatment, too many patients are still not adequately relieved, finding that their quality of life is still affected!

What is meant by chronic migraine:

A migraine resulting in headaches for at least 15 days per month over the last three months, with at least eight where the headache meets the criteria of a migraine without aura.1

To meet the criteria of a migraine without aura, the migraine sufferer must show two of the following symptoms:

  • The headache is felt on only one side of the head
  • The headache is throbbing or pulsating
  • The headache is moderate to severe
  • The headache is aggravated by physical activity or prevents one from practising routine physical activity and is accompanied by one of the following symptoms: nausea and (or) vomiting or sensitivity to light or noise

and (or)

  • The person must have used migraine medications before the onset of symptoms described above to treat or mitigate it.1

1. Olesen J, Bousser MG, Diener HC, et al. “New appendix criteria open for a broader concept of chronic migraine.” Cephalalgia, 2006;26:742–746.

Botulinum toxin is used and approved in Canada for the treatment of numerous neurological disorders, including chronic migraines. BOTOX® (injectable onabotulinumtoxinA) is a purified neurotoxin complex protein produced from the bacterium Clostridium botulinum. In the prophylactic treatment of migraines, BOTOX® reduces the pain and prevents other migraine attacks. Botox® has shown a reduction by at least 50% in the number of headache days among almost 70% of patients! As well, Botox® is generally very well tolerated.

How is Botox® administered?

BOTOX® is injected by needle into the muscles that cause the problem. Your doctor will determine the dose you will need and the injection sites.

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