Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your skull was splitting? I when felt like that, snuggled in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://inspire-for-sleep-apnea84950.estate-blog.com/30863450/how-much-you-need-to-expect-you-ll-pay-for-sphenoid-sinusitis-treatment