Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so painful it seemed like your skull was splitting? I once felt like that, snuggled in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://sleepapnealifeexpectancy62740.blogolenta.com/28396187/5-easy-facts-about-sphenoid-sinusitis-described