Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt like your head was splitting? I once felt like that, curled up in bed, unable to face the light. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://brooksjfauo.smblogsites.com/31493627/facts-about-sphenoid-sinusitis-revealed