Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I once felt like that, huddled in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can really mess with your https://collinspkge.jts-blog.com/30696016/getting-my-sphenoid-sinusitis-to-work