Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so bad it felt like your head was splitting? I once 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://jarednkkhb.jaiblogs.com/58516442/sphenoid-sinusitis-options