Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I when felt like that, snuggled in bed, not able to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://dantedzvoi.blogdemls.com/31351467/rumored-buzz-on-sphenoid-sinusitis