Sphenoid Sinusitis: Headaches, Fungal Causes, and TreatmentsEver had a headache so bad it felt like your head was splitting? I when felt like that, huddled in bed, unable to face the sunlight. I was handling sphenoid sinusitis, a condition that can really tinker your life. It ends up, this discomfort might be more than simply a headache.Sphenoid si