Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it seemed like your head was splitting? I when felt 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://sleep-apnea-weight-gain39494.bloggerbags.com/36715795/the-definitive-guide-to-sphenoid-sinusitis