Posted by Charley (207.203.147.2) on June 29, 2000 at 09:09:38:
In Reply to: changing sides posted by Steve Benton on June 28, 2000 at 18:29:43:
My cluster headaches changed from the left to the right side after about ten years, and when that happened I became chronic rather than episodic. I hope that this is not the case with you.