Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it felt like your head was splitting? I once felt like that, snuggled in bed, not able to face the light. I was handling sphenoid sinusitis, a condition that can truly mess with your life. https://whatisdeviatedseptum95059.luwebs.com/32122266/sphenoid-sinusitis-an-overview