Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt like your head was splitting? I once seemed 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://emilianoileyw.blogdeazar.com/31630073/not-known-factual-statements-about-sphenoid-sinusitis