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zoobyshoe
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When many people think "migraine" they think only of the pain of migraine. In reality, a migraine episode consists of far more. The typical migraine episode actually consists of four parts, referred to as phases or components. It's important to note that not every migraineur experiences all four phases. Also, episodes can vary with different phases experienced during different episodes. The four phases of a migraine episode are:
* Prodrome
* Aura
* Headache
* Postdrome
http://headaches.about.com/cs/headpain101/a/anatomy_mig.htm
Here's an interesting thing to note:
As noted earlier, not all migraine episodes include all phases. Although not the majority of episodes, there are some migraine episodes in which migraineurs experience aura but no headache. There are several terms used for this experience, including "silent migraine," "sans-migraine," and "migraine equivalent."
So, interestingly enough, having a migraine attack does not necessarily mean having a headache.