What is the reason for one side headache?

 

What is the reason for one side headache?

 


Cluster headache


Clutch headache are often painful and involve only one side of your head. You may also experience restlessness, pale or flushed skin, redness of the affected eye, and a runny nose on the affected side of your face

 A cluster headache is an uncommon type of headache. It is one-sided head pain that may involve tearing of the eyes, a droopy eyelid, and a stuffy nose. Attacks last from 15 minutes to 3 hours, occur daily or almost daily for weeks or months. The attacks are separated by pain-free periods that last at least 1 month or longer.

Cluster headaches may be confused with other common types of headaches such as migraines, sinus headache, and tension headache.

Causes

Doctors do not know exactly what causes cluster headaches. They seem to be related to the body's sudden release of histamine (chemical in the body released during an allergic response) or serotonin (chemical made by nerve cells) in the area of a nerve in the face called the trigeminal nerve. A problem in a small area at the base of the brain called the hypothalamus may be involved.

More men than women are affected. The headaches can occur at any age, but are most common in the 20s through middle age. They tend to run in families.

Cluster headaches may be triggered by:

·         Alcohol and cigarette smoking

·         High altitudes (trekking and air travel)

·         Bright light (including sunlight)

·         Exertion (physical activity)

·         Heat (hot weather or hot baths)

·         Foods high in nitrites (bacon and preserved meats)

·         Certain medicines

·         Cocaine

 

 

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