As the air passes through the filter, it evaporates some of the water there. The higher the relative humidity, the harder it is to evaporate water from the filter, which is why a humidifier is self-regulating — as humidity increases, the humidifier's water-vapor output naturally decreases. ...
Use a Humidifier. ... Use Steam. ... Drink Water. ... Get Plenty of Rest. ... Take Vitamin C. Can I beat a bacterial sinus infection without antibiotics? Even without antibiotics, most people can fight off a bacterial infection, especially if symptoms are mild. About 70 percent of th...