When spring rolls in, so do blooming trees, open windows, and for many relentless sinus pressure. What starts as a little congestion can quickly turn into facial fullness, constant throat clearing, and that foggy-headed feeling that makes it hard to focus. The tricky part? Seasonal allergies and sinus infections can look almost identical at first. Understanding the difference can help you choose the right treatment and avoid dragging symptoms out longer than necessary. If your ...