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 light. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://adamvcnq432blog.pages10.com/facts-about-sphenoid-sinusitis-revealed-67007512