Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had aching head so bad it felt like your head was splitting? I when seemed like that, curled up in bed, unable to face the sunlight. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://what-is-sleep-apnea19842.liberty-blog.com/31601865/not-known-details-about-sphenoid-sinusitis