This guideline advises that Botulinum A toxin injection can be considered for the management if migraine if the patient has:
- Not responded to at least 3 prior therapies AND
- Been appropriately managed for medication overuse AND
- Headaches on at least 15d per month AND
- Migraines on at least 8d per month
Treatment should be stopped if:
- There is inadequate response (less than 30% reduction in headaches after 2 cycles)
- Headaches change to occurring on less than 15d per month for 3 consecutive months
Procedure: