Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it seemed like your head was splitting? I when 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://simonmiicu.bloguerosa.com/30689915/the-best-treatment-for-sphenoid-sinusitis-that-nobody-is-discussing