Seasonal Variation, Cranial Autonomic Symptoms, and Functional Disability in Migraine: A Questionnaire-Based Study in Tertiary Care

摘要

Objective/Background.-Seasonal variation of migraine attack frequency has been described as a phenomenon. We aimed to compare functional disability and the occurrence of cranial autonomic symptoms (CASs) in patients who reported a seasonal variation in their migraine attack frequency with those who did not.