As that mucus drips down your throat (postnasal drip), it can tickle and irritate the throat tissues. Viral infections can sometimes cause a dry throat, too. This often happens if your nose gets ...

And that's when the mucus starts just draining down from your nose to the back of your throat. People tend to not associate post nasal drip with other things like dry, itchy, scratchy throat ...

“Nasal congestion, dry throat, scratchy kind of cough that won ... “The dryness causes irritation of the mucus membrane sometimes causing it to swell,” Beuther told FOX31.

Turning on the heat for the first time this season can bring on cold-like symptoms. Here’s why — and how to avoid it.