Sinus Infection How Do You Know When I Sinus Infection Goes Too Far?

How do you know when I sinus infection goes too far? - sinus infection

I had a bad sinus infection for 2 years really. Had to go to the emergency room. The doctors suspected that the sinus infection is a brain abscess may have caused. I feel no different than my usually not, unless he had a high fever and chills. But she said in May as something very, very slowly, that you may be surprised. So my mental health began to decline after they started to realize my sinus problem. Could there a connection between the two?