Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I when felt like that, snuggled in bed, not able to face the sunlight. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://sleepapneaweightgain51605.bloggerchest.com/31398864/not-known-factual-statements-about-sphenoid-sinusitis