Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I when felt like that, curled up in bed, unable to face the light. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://sleepapnealifeexpectancy17307.theideasblog.com/31955760/little-known-facts-about-sphenoid-sinusitis