Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had aching head so painful it seemed like your skull was splitting? I when 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://sleepapnearisks10013.blogdal.com/31913449/the-20-minute-rule-for-sphenoid-sinusitis