Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it felt like your head was splitting? I once seemed 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://sleepapneachinstrapreview37145.dsiblogger.com/64410275/little-known-facts-about-sphenoid-sinusitis