劍橋詞典a very severe headache , affecting mainly one side of the head and happening several times within a period of time 集束性頭痛（一種劇烈頭痛，主要影響頭部一側(cè)，在一段時(shí)間內(nèi)反複發(fā)作） Cluster headaches are a lifelong condition for most sufferers . 對(duì)大多數(shù)患者來說，集束性頭痛是一種終生疾病。 返回 cluster headache