Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so bad it felt 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://justinpizl912blog.pointblog.net/the-definitive-guide-to-sphenoid-sinusitis-73887095