oa SA Pharmaceutical Journal - Evidence based pharmacy practice : migraine : clinical
Migraine is defined as a common, chronic, neurovascular disorder, generally characterised by attacks of severe headache and autonomic system dysfunction. It is a type of vascular headache. The peak onset for a person to have their first migraine attack is often in adolescence or as a young adult. The median frequency of attacks among migraineurs is 1.5 attacks per month and the median duration of an attack is 24 hours. Patients are free from symptoms between attacks.
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