Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so painful it seemed like your skull was splitting? I once felt like that, snuggled in bed, not able to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can actually tinker your life. https://justinpizl912blog.pointblog.net/the-definitive-guide-to-sphenoid-sinusitis-73887095