Headache is a phase of Migraine but this differs from headache. A patient may get pain and illusions in this disease. The link discusses its causes, symptoms and remedies.
Actually what made me ask this question is that recently I met someone who is suffering from this and she says that there is no permanent cure for this apart from some temporary relief she gets from medicines and some home therapies....Really, I felt very sad to learn the fact that there is no permanent relief from the problem....