Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so painful it seemed like your head was splitting? I as soon as felt like that, curled up in bed, unable to face the light. I was dealing with sphenoid sinusitis, a condition that can actually tinker your life. https://knoxjbpqx.buyoutblog.com/31550292/not-known-details-about-sphenoid-sinusitis