Cluster are characterized by excruciating, piercing pain on one side of the head and ; they occur more frequently in men than women.
About Cluster Headaches
Cluster – the most severe form of – involves sudden, extremely painful that occur in “clusters,” usually at the same time of the day and night for several weeks. They strike one side of the head, often or around one , and may be preceded by a -like and .
The pain usually peaks 5 to 10 minutes after onset and continues at that intensity for up to 3 hours. The and the on the affected side of the face may get red, swollen, and teary. Some people will experience restlessness and agitation, changes in and , and sensitivity to light, sound, or . Cluster often wake people from .
Cluster generally begin between the ages of 20 and 50 but may start at any age, occur more often in men than in women, and are more common in smokers than in nonsmokers. The attacks are usually less frequent and shorter than . It’s common to have 1 to 3 cluster headaches a day with 2 cluster a year, separated by months of freedom from symptoms.
The cluster often appear seasonally, usually in the spring and fall, and may be mistaken for allergies. A small group of people develop a form of the disorder, which is characterized by bouts of that can go on for years with only brief periods (1 month or less) of remission….