Posted by Margi on October 27, 2001 at 14:52:25:
In Reply to: Is the clinical definition for Chronic on the site somewhere? posted by don on October 27, 2001 at 14:20:46:
is, as far as I know, cluster headaches lasting more than 12 months, with no more than 2 weeks pain free (unmedicated pain free) time. I couldn't find that exact definition anywhere here, but I believe it may have been Dr. Kudrow who defined it that way.
Hope this helps.
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