A cluster headache is characterized by all, except

A cluster headache is a rare, primary headache (0.1%)The pain is deep, retro-orbital, excruciating, non-fluctuating, and explosive in quality.Unilateral pain for 8 to 10 weeks a year, followed by a pain-free intervalMen are affected three times more often than women.Patients with a cluster headache become aggressive during attacks.Parasympathetic autonomic activation: Ipsilateral symptoms of cranial conjunctival injection or lacrimation, rhinorrhea or nasal congestion, or cranial sympathetic dysfunction such as ptosis.The sympathetic deficit is due to injury to ascending sympathetic fibers surrounding a dilated carotid aery as it passes into the cranial cavity.Ref: Harrison; 19th edition