A variant of migraine

Mostly in men

Mostly in menOften situated behind one eye (usually the same eye); usually one-sided

Comes on suddenly without warning; may wake the patient from sleep, at the same time each night.

Comes on suddenly without warning; may wake the patient from sleep, at the same time each night.Pain peaks within 5-10 minutes and lasts less than 1 hour; often severe, stabbing in nature The most intense type of headache: severity may lead to thoughts of suicide.

Often triggered by alcohol or a prolonged excessive emotional or physical stress may precipitate a new cluster

Often triggered by alcohol or a prolonged excessive emotional or physical stress may precipitate a new clusterMay occur several times a day for weeks and then stop

May be associated with watery or red eyes/runny nose/nasal congestion; forehead/facial sweating; drooping/swollen eyelid

May be associated with watery or red eyes/runny nose/nasal congestion; forehead/facial sweating; drooping/swollen eyelid

 

 

 

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