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A 45-year-old member asked:

Are there warning signs before a cluster headache begins?

1 doctor answer5 doctors weighed in
Dr. Michael H. T. Sia
Pediatrics 32 years experience
See below:: Season is the most common trigger, occurring in the spring or autumn. Due to their seasonal nature, ch are often mistakenly associated with allergies or sinusitis. The seasonal nature of ch most likely results from stimulation or activation of the hypothalamus.Ch are also common in people who smoke and drink alcohol frequently and a large proportion of the patients have sleep apnea.

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Last updated May 25, 2013

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