Cluster headaches
Cluster headaches
Cluster headaches (pronunciation: /ˈklʌstər ˈhedeɪks/) are a type of headache that is characterized by recurrent, severe headaches on one side of the head, typically around the eye.
Etymology
The term "cluster headache" is derived from the fact that the attacks of these headaches tend to occur in clusters, with periods of remission in between.
Definition
A cluster headache is a neurological disorder characterized by severe headaches on one side of the head and often around the eye. It is one of the most painful conditions known to medical science, but its cause is not well understood.
Symptoms
The primary symptom of a cluster headache is a severe, sharp or burning pain that is usually on one side of the head. Other symptoms can include red eye, tearing, nasal congestion, sweating, and restlessness.
Causes
The exact cause of cluster headaches is unknown. However, they are thought to be related to the body's sudden release of histamine or serotonin. Other factors that may trigger cluster headaches include alcohol, cigarettes, high altitudes, and certain foods.
Treatment
Treatment for cluster headaches is focused on relieving symptoms and preventing future attacks. This can include oxygen therapy, triptans, and ergotamine. In some cases, preventive medications such as verapamil or lithium may be used.
Related Terms
External links
- Medical encyclopedia article on Cluster headaches
- Wikipedia's article - Cluster headaches
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