Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so painful it seemed like your skull was splitting? I as soon as seemed like that, huddled in bed, unable to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can really mess with your life. https://landenhdxfs.liberty-blog.com/31598900/facts-about-sphenoid-sinusitis-revealed