Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad 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://devinxfqmg.activablog.com/30854553/the-ultimate-guide-to-sphenoid-sinusitis