I have been teaching self administration of SPG Blocks for over 30 years as an effective, patient friendly method of controlling orofacial pain, migraines, cluster headaches, tension headaches, sinus headaches, anxiety and many other common problems. I just came across this article from over 20 years ago endorsing this great technique. The Sphenopalatine Ganglion is also known as the Nasal … Continue reading Sphenopalatine Ganglion Block: a Safe and Easy Method for the Management of Orofacial pain. Lidocaine SPG Blocks