Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so painful it seemed like your skull was splitting? I when felt like that, curled up in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can truly mess with your life. https://sleepapneatreatmenthousto65253.slypage.com/32031463/7-tips-about-sphenoid-sinusitis-you-can-use-today