Understanding Sinus Infections (Sinusitis)
A sinus infection or sinusitis is an inflammation and swelling of the sinus. In a normal scenario, your sinuses are filled with air. If your sinuses are filled with fluid, this provides an environment in which bacteria can grow and this, in turn, leads to a sinus infection. Sinus infections can often follow a bad cold, as you are at greater risk due to developing inflammation and swelling in…