Someone wrote to me on this subject. If you also have numbness please ask your doctor to look into moya moya. The founder of cluster headaches.com learned he had moya moya after a stroke....
I have lived with intractable chronic cluster headaches for 23 years. I resisted opioids for the first 15, then began rescue with Stadol. It helped reduce a 10 to an 8, but quickly required higher...