Many people assume sinus pressure must mean there is a sinus infection. But for some individuals, the pressure persists even when there is no congestion, fever, or sign of infection. The face may feel heavy, the forehead may ache, and bending forward can intensify the sensation, yet scans or exams often show nothing clearly wrong. This can be frustrating and confusing. When sinus pressure becomes chronic without infection, the cause may lie beyond the sinuses themselves. In m