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://cesargrpeo.targetblogs.com/32018482/4-simple-techniques-for-sphenoid-sinusitis