Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Ever had aching head so bad it felt like your head was splitting? I as soon as felt like that, snuggled in bed, unable to face the light. I was dealing with sphenoid sinusitis, a condition that can actually mess with your life. https://deviatedseptum95161.thenerdsblog.com/37171485/how-much-you-need-to-expect-you-ll-pay-for-a-good-sphenoid-sinusitis-treatment