Some Clinical Comparisons Between Common and Classical Migraine: A Questionnaire-Based Study

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Abstract
In a questionnaire-based study we compared the clinical features of migraine with aura (classical migraine) and migraine without aura (common migraine) in 354 and 397 patients, respectively, attending The Princess Margaret Migraine Clinic. Other than those related to the aura, no significant differences were seen in any clinical features of the attack (e.g. frequency or duration of attacks, time of day at onset, location of headache at onset, severity of headache, or nausea and vomiting). Common migraine attacks were significantly more likely to occur at weekends (p = 0.002). Dietary triggers tended to be more troublesome in classical migraineurs while pregnancy and the menstrual cycle affected both migraine types equally. Classical migraine patients were twice as likely to have a history of hypertension (p < 0.05) and showed a slightly but not significantly greater tendency to depression. Family histories of migraine were similar in each migraine type. We conclude that classical and common migraine are fundamentally similar in their clinical characteristics and that the occurrence of focal neurological symptoms during a migraine attack has little influence on the rest of the attack.

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