Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it felt like your head was splitting? I once felt like that, curled up in bed, unable to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can really mess with your https://what-is-sleep-apnea37913.win-blog.com/11810797/the-definitive-guide-to-sphenoid-sinusitis