When do you use greater occipital nerve block to treat acute refractory migraine?

I frequently offer ONBs for patients with acute migraine when they have persistent headache, despite migraine cocktail & other initial ER interventions. Since occipital nerve blocks are safe, effective, and have Level A recommendations from the American Headache Society, I perform them quite frequen...

The GON block is best used when there are headaches that involve pain in the area. I often push on the GON region to see if it is sensitive to palpitation, which can also help me target the block near that spot.