Dictionary

cluster headache

noun

Definition of CLUSTER HEADACHE

:  a headache that is characterized by severe pain in the eye or temple and tends to recur in a series of attacks

First Known Use of CLUSTER HEADACHE

1953

cluster headache

noun    (Medical Dictionary)

Medical Definition of CLUSTER HEADACHE

:  a headache that is characterized by severe unilateral pain in the eye or temple, affects primarily men, and tends to recur in a series of attacks—called also histamine cephalalgia, histamine cephalgia, Horton's syndrome

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