I've got a horrible chronic sinus infection that has gotten worse more now than ever. I've been on two different antibiotics and nasal drops and a nasal spray and nothing's worked. I keep getting these waves of dizziness and slight nausiousness along with the pressure in my head. It's all very scary because I never thought a sinus infection could make me this dizzy. Does anyone have this problem? I'm feeling like something worse must be the culprit.