I have the same problem. I just got over an episode that lasted about 5 days. It keeps me up all night when it happens. The only thing I’ve found that helps is Extra Strength Tylenol about every 4 hours. I last had it happen 4 months ago. Both my primary physician & my neurologist say it’s from my sinuses. But I don’t think they understand the type of pain. The sharp shooting pain causes me to make a face & grab the spot. It stops but I know it will come again soon. Mine usually starts in my ear. Then it will move to the top of my scalp, the side of my scalp, the base of my skull. It just comes on suddenly. I have no idea why. Help!!