Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so bad it seemed like your skull was splitting? I as soon as felt like that, huddled in bed, not able to face the light. I was handling sphenoid sinusitis, a condition that can really mess with your life. https://sleepapnealifeexpectancy82479.59bloggers.com/31923428/the-smart-trick-of-sphenoid-sinusitis-that-nobody-is-discussing