Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt like your head was splitting? I as soon as seemed like that, huddled in bed, unable to face the sunlight. I was handling sphenoid sinusitis, a condition that can really tinker your life. https://johnozjt371blog.total-blog.com/sphenoid-sinusitis-an-overview-56809167