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The use of Botulinum toxin in migraine treatments is not very well established at present but is a growing area of interest for migraine doctors and patients.
Over the years that patients have had Botulinum toxin injected into the facial muscles for wrinkle treatments, it had been noted that these patients seem to get considerable relief from migraines compared to patients who had not had this treatment.
It has been postulated that people suffering from migraines get spasm in the muscle that goes from the back of the head to the front of the forehead - a muscle called fronto-occipitalis. It is thought by some that if this muscle goes into severe spasm, it does not get a good blood supply and this is what is thought to cause the intense pain of migraine.
There is considerable interest now in injecting Botulinum toxin into this muscle around the area of the hairline so it has no effect on the facial expression, but there does seem to be increasing evidence that this relieves migraine headaches either partially or completely in some patients.
Research over the next few years should determine exactly the risks and benefits of such treatments.
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