Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had a headache so painful it felt like your skull was splitting? I as soon as 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://ricardovuyac.alltdesign.com/facts-about-sphenoid-sinusitis-revealed-51064868