A sinus infection can cause more than facial pain, congestion, and a stuffy nose. Even after your sinus symptoms start improving, you may notice that your ears still feel plugged, full, or uncomfortable. Sounds might seem muffled, or you may feel like your ears need to pop but cannot. So, how long does ear pressure last after a sinus infection? For many people, it improves within several days as inflammation and congestion decrease. However, pressure ...