Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had aching head so painful it seemed like your skull was splitting? I when felt like that, curled up in bed, unable to face the sunlight. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://what-is-sleep-apnea39495.worldblogged.com/37440985/sphenoid-sinusitis-no-further-a-mystery