While over 1 billion people world wide have migraine, only a small percentage of them use migraine preventive medications to control their migraine attacks. A migraine preventive medication is considered and offered when people with migraine meet certain criteria: Four or more attacks per month or eight head pain days - Can include severe throbbing pain or a pulsing sensation, usually (but not always) on one side of the head. It is often accompanied by nausea, vomiting, and sensitivity to light and sound. Migraine attacks typically last for 4-72 hours, and the pain can be so severe that it interferes with daily activities. Vestibular migraine attacks might not have head pain,…