Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it seemed like your head was splitting? I once felt like that, snuggled in bed, not able to face the sunlight. I was handling sphenoid sinusitis, a condition that can actually mess with your life. https://inspireforsleepapnea49505.aboutyoublog.com/33791125/4-simple-techniques-for-sphenoid-sinusitis