Headache, do you have one?
The majority of headaches belong to one of three main groups: migraine, a recurrent, severe headache, usually with throbbing on one side, accompanied by nausea and sometimes impaired vision; cluster, similar to migraine, but of short duration, occurring daily in a series over weeks or months and predominantly in the area of one eye; and tension, a headache without consistent location thought to result from obscure causes, not being necessarily due to muscular tension in the face, scalp, or neck. Vascular changes are thought to underlie the tension headache.
Most tension headaches respond to mild analgesics such as aspirin and acetaminophen. Severe migraine and cluster headaches do not respond to aspirin, but can be relieved by a variety of medications that affect the expansion or contraction of blood vessels. Headaches of all three major categories have been relieved in many cases with biofeedback techniques.
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