Timothy C. Hain, MD Content last updated: April 7, 2011
Occasionally we encounter persons who have vertigo at the same month, year after year. These we term "seasonal vertigo".
The main possibilities are:
1. Migraine -- in Chicago, migraines often occur in April and November. In the artic, there are more headaches during the light season. Cluster headaches are a migraine variant that often occurs during the same month, every year.
2. Allergy -- in Chicago, we have more allergins in the air in April, and August.
3. Seasonal affective disorder -- the lack of light can be depressing.
Often there is an attempt to start treatment a month prior to anticipated onset of symptoms.
1. Alstadhaug, K. B., Bekkelund, S. and Salvesen, R. (2007). "Circannual periodicity of migraine?" Eur J Neurol 14(9): 983-988.
2. Brewerton, T. D. and George, M. S. (1990). "A study of the seasonal variation of migraine." Headache 30(8): 511-513.
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