Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so bad it felt 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://what-is-sleep-apnea06172.blogaritma.com/30011681/the-best-treatment-for-sphenoid-sinusitis-that-nobody-is-discussing