Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had head pain so bad it felt like your skull was splitting? I as soon as seemed like that, curled up in bed, unable to face the light. I was handling sphenoid sinusitis, a condition that can really mess with your life. https://inspire-for-sleep-apnea40616.sharebyblog.com/31386569/sphenoid-sinusitis-no-further-a-mystery