Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it seemed like your skull was splitting? I when felt like that, huddled in bed, unable to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can really mess with your life. https://what-is-sleep-apnea73838.blogunteer.com/30696677/rumored-buzz-on-sphenoid-sinusitis