Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I once felt like that, snuggled in bed, not able to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can actually tinker your life. https://sleepapnealifeexpectancy72727.liberty-blog.com/31601698/the-single-best-strategy-to-use-for-sphenoid-sinusitis