Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had head pain so bad it felt like your skull was splitting? I as soon as seemed like that, curled up in bed, unable to face the light. I was handling sphenoid sinusitis, a condition that can really mess with your life. https://sleepapnearisks37916.digitollblog.com/31297585/the-definitive-guide-to-sphenoid-sinusitis