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What are cluster headaches?
Posted By:jasmin On 2/27/2007

remeron

remeron secnet.co.nz

What are cluster headaches?

Cluster headaches are severe, one-sided headaches that recur in groups, or "clusters," over a period of weeks to months. While common headaches can be painful, cluster headaches can be debilitating. Cluster headaches are sometimes referred to as "suicide headaches" because they are unbearably painful. Although cluster headaches can be temporarily disabling, they do not cause permanent damage.
Cluster headaches are relatively rare, and are one of the few types of headaches that affect men more often than women.

What causes cluster headaches?

The cause of cluster headaches is unknown. They may be genetic, since people whose parents or siblings have cluster headaches are at increased risk for developing them. 1
Cluster headaches may be caused by a problem in an area of the brain called the hypothalamus. 2 This area of the brain seems to be more active in people who have cluster headaches.
If you are prone to cluster headaches, certain triggers may cause a headache or make one worse. These triggers often include alcohol; sleep apnea (regularly stopping breathing during sleep); stress; fatigue; or certain medications that widen blood vessels (vasodilators) such as nitroglycerin or histamine.

What are the symptoms?

Symptoms include burning or sharp, piercing pain on one side of your head. The pain radiates around the temple and eye, with the affected eye becoming red, watery, or puffy. The eyelid may droop, and you may have a runny or stuffy nose on the affected side.
See an illustration of cluster headache symptoms.
The pain usually intensifies quicklywithin 5 to 10 minutes of onsetand may last for around 30 minutes to several hours. These headaches may begin at night, within 2 to 3 hours of falling asleep. They may start while you are dreaming; however, they can occur at any time. Cluster headaches can continue for days, weeks, or months before you stop having symptoms (remission). You may not have another cycle of cluster headaches for months or years; less commonly, your headaches may become chronic and continuous.

How are cluster headaches diagnosed?

Cluster headaches are diagnosed with a medical history and physical examination. Your health professional will usually be able to identify cluster headaches from your description of the type and location of pain, duration and pattern of headaches, and how frequently the headaches occur.
Your health professional may order imaging tests (such as an MRI or CT scan) to rule out other conditions, especially if the pattern of your pain is not consistent with cluster headaches. Most headaches are not caused by serious medical conditions.

How are cluster headaches treated?

Although there is no cure for cluster headaches, treatment may reduce the frequency of headaches, severity of pain, and possibly shorten the duration of each cycle of headaches. Medications to prevent headaches (prophylactic headache medications, such as verapamil) taken daily may help reduce the frequency or severity of cluster headaches. Medications to stop a headache (abortive headache medications, such as sumatriptan) may stop a cycle of headaches or prevent it from getting worse once it starts.
Another effective treatment is high-flow oxygen. Breathing in pure oxygen relieves cluster headache pain almost immediatelywithin 10 to 20 minutesin many people who have cluster headaches.
You also may reduce the frequency of cluster headaches by avoiding alcohol, not smoking, reducing stress, and maintaining a regular sleep schedule.



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