Headache

Headache, also known as cephalalgia, is the symptom of pain anywhere in the region of the head or neck. It occurs in migraines, tension-type headaches, and cluster headaches. Frequent headaches can affect relationships and employment. There is also an increased risk of depression in those with severe headaches.

Headaches can also occur as the results of many other condition which can be either serious or not serious. There are a number of different classification systems for headaches. The most well-recognized is that of the International Headache Society. Causes may include fatigue and sleep deprivation, stress, the effects of medications and recreational drugs, viral infections and common colds, head injury, rapid ingestion of a very cold food or beverage, dental or sinus issues, among others.

Treatment of a headache depends on the underlying cause, but commonly involves pain medication. Some form of headache is one of the most commonly experienced of all physical discomforts.

About half of adults have a headache in a given year.