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This paper proves conclusively that there is no scientific basis for the International Classification of Headache Disorders (ICHD) criteria for the diagnosis of migraine (MI). There are no data supporting the choice of diagnostic criteria, and where data do exist, they contradict the ICHD criteria. The Classification Committee (CC) of the International Headache Society (IHS) is called upon to revise the criteria according to the extensive available data.

The international headache society classification of migraine headache—A call for substantiating data