Postnasal drip is extra mucus thst drips down the back of the nose and throat. It may be due to allergies, dry air, or an infection. Learn more.

Post-nasal drip occurs when the body produces excess mucus, ... When you're sick, mucus production ramps up and can trickle down the back of your throat, known as post-nasal drip. Rinse Your Sinuses .

Post-nasal drip is what happens when excess mucus accumulates in the back of the throat or nose, according to Gavin Le Nobel, M.D., head and neck surgeon, and otolaryngology (ENT) with Houston ...

Post-nasal drip, a common condition where excess mucus accumulates in the back of the throat or nose, can cause discomfort and various symptoms, including coughing, throat-clearing, and stomach upset.