Post-nasal drip occurs when mucus moves down your throat, causing irritation and cough. Here’s how medical professionals say you can stop it in its tracks.

PITTSBURGH, Feb. 3, 2026 /PRNewswire/ -- "I wanted to create a non-invasive plug that could be inserted into the nostrils to prevent nasal drip," said an inventor, from Saint Charles, Mo., "so I ...