Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it seemed like your skull was splitting? I when 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://what-is-sleep-apnea65006.frewwebs.com/32094688/the-fact-about-sphenoid-sinusitis-that-no-one-is-suggesting