Cluster headache is a primary headache disorder of unclear etiology. It is more common in males, and is often precipitated by ingestion of alcohol. Not infrequently, the patient awakes from sleep with the onset of the headache. Patients are typically quite agitated during the attack, which tends to be relatively brief compared with the time-course of migraine or tension-type headaches. Cluster headaches may occur on an episodic or chronic basis. Chronic cluster headache may be primary or a stage evolving from episodic cluster headache (Tables 3 and 4).
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Are Headaches Taking Your Life Hostage and Preventing You From Living to Your Fullest Potential? Are you tired of being given the run around by doctors who tell you that your headaches or migraines are psychological or that they have no cause that can be treated? Are you sick of calling in sick because you woke up with a headache so bad that you can barely think or see straight?