How do you know when you have a migraine?

A migraine is more than just a bad headache. Migraines are a complex condition which can be debilitating and even land you in the emergency room. Though the exact cause is unknown, they are believed to result from changes in your brain. They tend to be more prevalent in women and can be related to your menstrual cycle. Besides the severe pain in your head, you can also experience a variety of other symptoms during the stages of a migraine.

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