Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt like your skull was splitting? I once seemed like that, snuggled in bed, not able to face the light. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://bestantisnoringdevice84949.ampblogs.com/5-easy-facts-about-sphenoid-sinusitis-described-68277820