Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had a headache so painful it seemed like your head was splitting? I once felt like that, huddled in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can truly tinker your life. https://andresyunib.shotblogs.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-sphenoid-sinusitis-treatment-45537800