One of the most nagging headaches Migraine is episodic (occurs anywhere from once or twice a year to 1-4 times a month) in nature. It is associated with accompanying symptoms like vomiting blurring of vision etc. Some patients may get headaches more frequently almost daily. Though the exact causes of migraines are unknown blood vessel contractions and other changes in the brain as well as inherited abnormalities in certain areas of the brain have been linked to it. A migraine pain center or generator is situated in the brain. A migraine begins when hyperactive nerve cells send out impulses to the