Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I when 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://augustaxrmf.bloggerchest.com/31400235/sphenoid-sinusitis-things-to-know-before-surgery