Sphenopalatine Ganglion Blocks (SPG Blocks, Nasal Blocks or Ptreygopalatine Ganglion Blocks) are used for a wide variety of problems, most commonly headache disorders which affect almost half of the population on a yearly basis. There are multiple methods of delivering SPG Blocks but most are minimally invasive. Sphenopalatine Ganglion Blocks are one of the safest treatment for headaches available. Self-Administered …