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Cluster Headache
An estimated one million Americans suffer from cluster headaches, which are characterized by extreme pain and their pattern of occurring in "clusters," usually at the same time of the day for several weeks. Most sufferers are men, usually smokers. These headaches typically start between the ages of 20 and 40, although the syndrome can also start in childhood or late in life.
Cluster headaches are often described as constant, deep, excruciating pain, and the pain is always located on one side of the head. The condition does not appear to be linked to hormones or foods, as migraines have. Treatment options include lifestyle changes and medications.
(Click Cluster Headaches to learn more about this condition, including what causes them, possible symptoms, the different types, and more.)
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD