Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt 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://deviatedseptum73838.onzeblog.com/31506944/the-10-minute-rule-for-sphenoid-sinusitis