網誌分類:有點學術 |
Headache is defined as pain in the head that is located above the eyes or the ears, behind the head (occipital), or in the back of the upper neck. Headache, like chest pain or dizziness, has many causes. There are two types of headaches: primary headaches and secondary headaches. Primary headaches are not associated with (caused by) other diseases. Examples of primary headaches are migraine headaches, tension headaches, and cluster headaches. Secondary headaches are caused by associated diseases such as brain tumors, strokes, meningitis, subarachnoid hemorrhages, caffeine withdrawal, or discontinuation of analgesics. In rare occasions, headaches may signal heart attacks.
Botox may prevent and treat migraines. Certain foods, like aged cheese and red wine, can trigger headaches. An aura is a sign that a migraine is about to begin; this includes blurred or distorted vision, blind spots or bright colored, flashing or moving lights or lines in vision. A cluster headache is an intense headache that occurs one to three times per day, which may last two weeks to three months. A rebound headache is one that occurs from over-using medications for headache pain. Tension headaches are the most common type of adult headache; thought to be caused by tightened muscles in the back of the neck and scalp.
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