Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache 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 dealing with sphenoid sinusitis, a condition that can actually tinker your life. https://emiliobxqlf.bcbloggers.com/30878688/a-secret-weapon-for-sphenoid-sinusitis