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Cluster headaches are severe, usually localized to one side of the head and comes in cycles or "clusters." Occurring from days to weeks and can last for months in some cases.
Pain can interfere with daily normal activities and is often called one of the worst types of headaches.
Cluster headaches come in cycles (also called cluster periods). Most people who get cluster headaches have one or two cluster periods each year. A cluster period might last several months or longer.
The main symptoms of cluster headaches is a severe burning or sharp, piercing pain on one side of your head. Often it is described as a stabbing pain behind the eye. The pain spreads out from your temple and eye. Your eye may become red, watery, or puffy. The eyelid may droop, and you may have a runny or stuffy nose on that side of your head.
Did you know certain foods and activity can increase your headaches?
alcohol consumption can increase cluster headaches. Lack of sleep and seasonal allergens have also been shown to increase the severity of headaches.