Medically reviewed by William Truswell, MD Postnasal drip occurs when mucus from your nasal passages drips down the back of your throat. The symptoms of postnasal drip include coughing and frequent ...

Post nasal drip is basically just mucus. So with spring allergies you tend to notice-- basically, it's your body's reaction to something foreign. So when you produce a little too much mucus then ...

This year's allergy season is anticipated to be prolonged, with recent frost-free days already causing pollen concentrations ...