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Wednesday, 23 October 2013 15:38

Chronic Migraine & Botox

What is Chronic Migraine?

Chronic Migraine is defined as:3

  • Migraine with 15 or more headache days per month over the past 3 months, of which at least 8 headache days meet criteria for migraine without aura

To meet the criteria for migraine without aura, the migraine sufferer will be experiencing two of the following symptoms:3

  • The headache is on one side of the head only
  • The headache has a throbbing or pulsing quality to it
  • The headache is moderate to severe in pain intensity
  • The headache is aggravated by or causes avoidance of physical activity and is accompanied by one of the following: nausea and/or vomiting or sensitivity to light or sound


  • The migraine sufferer will have treated or relieved headache with migraine medication prior to the expected development of the symptoms listed above.

What is BOTOX®?

BOTOX® (onabotulinumtoxin A) is a purified neurotoxin complex protein produced from the bacterium Clostridium Botulinum

BOTOX® can be used to prevent headaches in adults with Chronic Migraine who have 15 or more days each month with the headache lasting 4 or more hours each day.

How is BOTOX® administered?

BOTOX® is injected by needle into 31 to 39 sites in 7 specific  head and neck muscle areas. These areas may be contributing to your headaches. Your doctor will determine the number of injections and injection sites required to treat your specific condition.2

The recommended dose of BOTOX® is 155 units in 31 sites. If your doctor thinks it is necessary, he or she may decide to inject up to 40 additional units of BOTOX® into three specific muscle groups for a total maximum dose of 195 units.2

For more information, download or open the attachment below.

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