Proven to help prevent monthly migraine days before they start—in some cases, it can cut that number in half or more.

The first preventive treatment designed to block the CGRP receptor, which may play a key role in migraine.

One dose, once a month is designed to keep working 24/7, to help reduce monthly migraine days. For some, it cuts the number by 50% or more. In a clinical study, months 4-6. Aimovig is taken by injection.