Diseases

Cluster Headache

Horton's Cephalalgia

Cluster headache (CH) is the most intense and extreme type of headache that exists. This headache is expressed in severe pain at one side of the head. It is a very intens pounding, sharp pain around the eye socket. The condition is fortunately very rare and not life-threatening. Cluster headache falls under the heading of ‘headache’.


Cause

The exact cause of cluster headache is unknown. Periods of frequent attacks, known as cluster periods, can last for weeks to months. These are followed by rest periods, during which the attacks of headache (even for months or years) completely disappear.

Attacks usually occur regularly during a day and the cycle of cluster periods is often seasonal. This indicates indirectly that the biological clock of humans is involved. The human biological clock is located in the hypothalamus, deep in the center of the brains. Defects of the hypothalamus may account for the timing and the cyclical nature of cluster headache. Studies have demonstrated an increased activity in the hypothalamus during an attack of cluster headache.

In contrast to migraine and tension headache, cluster headache is generally not associated with triggers, such as foods, hormonal changes or stress. However, once a cluster period begins, the consumption of alcohol can quickly lead to a splitting headache. Other possible triggers are the use of medicines, such as nitroglycerin.


Symptoms

The signs and symptoms of cluster headache are:

Cluster headache is divided into episodic cluster headache and chronic cluster headache. In episodic cluster headache, the cluster attacks occur during fixed cluster periods. Chronic cluster headache continues year round.


Diagnosis

Cluster headache has a characteristic kind of pain and pattern of attacks. The diagnosis is dependent on the description of the attacks, the pain, the location, the frequency, the duration, the severity of the headache and the associated symptoms.

In addition, the following tests may be carried out:


Treatment

A treatment with oxygen will usually help well in an attack of cluster headache. In the hospital, extra oxygen is administered for fifteen minutes. This is done through a tube in the nose or through a cap over the nose and mouth. The patient may also be enabled to administer oxygen by himself at home.

Another treatment is medication. These constrict the blood vessels in the brains and reduce the pain stimulus. This may help to prevent headache attacks during a cluster period. The medication is usually prescribed by the neurologist.


Prognosis

The effects of cluster headache are often very severe: memory and concentration problems, lack of understanding of the environment, social isolation and even disability. Cluster headache is a lifelong condition, but in the course of the years, the pain gets less and the duration of the attacks shorter. The severe chronic attacks of cluster headache may also change to the episodic type.


Considerations


Facts

Guide

Cause

Symptoms

Diagnosis

Treatment

Prognosis

Considerations

Facts

See also

Cancer

Headache

Migraine

Stress

Tension Headache

CT Scan

Magnetic Resonance Imaging (MRI)

Alcohol

Category

Neurological disease

First Health Guide

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