Sphenopalatine Ganglion Blocks are indicated for a wide of conditions including chronic daily headaches, chronic migraines, cluster headaches, Tension-Type Headache, TMJ disorders, Trigeminal Neuralgia, Myofascial Pain, Trigeminal Neuralgia, chronic rhinitis and many other conditions. There are many ways to deliver Sphenopalatine Ganglion (SPG) blocks by injection and transnasal approaches. The original description of Sphenopalatine (pterygopalatine) ganglion blocks by Sluder in …