Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so bad it seemed like your head was splitting? I as soon as seemed like that, curled up in bed, unable to face the sunlight. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://daltondormc.blogs100.com/31966472/the-10-minute-rule-for-sphenoid-sinusitis