A sinus infection, also known as sinusitis, occurs when the tissue that lines the sinuses inflates and swells. Sinuses are hollow cavities located around the nasal passages, and their primary function is to produce mucus that helps humidify and filter the air we breathe. When the sinuses are blocked and filled with fluid, they create a favorable environment for bacteria, viruses, or fungi to grow, leading to an infection. This blog is all about the ...