Learning About Post Nasal Drip Syndrome Its Causes...

Post nasal drip refers to thick phlegm sensation inside your throat that is infected. It is also otherwise known as the Upper Airway Cough Syndrome. (UACS). Post nasal drip happens when there is an over secretion of mucus by the nasal mucosa. As a result, the excessive amount of mucus then increases in the nose or at the rear of the throat. The cause of PND might be due to rhinitis, sinusitis or laryngopharyngeal and acid...