One of the most common causes of a nagging cough is known as post-nasal drip, which occurs when the insides of the nasal passages become congested. HERE'S HOW TO PREVENT COLD AND FLU FROM ...

There can be a range of reasons for a persistent cough. But most chronic coughs are caused by three conditions.

Mucus itself isn't harmful and actually protects you from illness and provides lubrication. Still, you may seek relief from symptoms of postnasal drip (often called upper airway cough syndrome ...

Postnasal drip is excess mucus that the nose and throat glands secrete. Home remedies, such as drinking fluids, or medications, such as decongestants, can help to relieve symptoms. The nose ...

Still suffering from an irritating cough weeks after recovering from a cold or flu? We investigated why your cough won't go ...

Coughing is a natural reflex for clearing the throat and lungs of irritants. Infection is a common cause of a dry cough. Other possible causes include postnasal drip, asthma, idiopathic pulmonary ...

Drainage in your throat, or postnasal drip, is when the glands in your nose and throat continually produce mucus to filter out the nasal passage and provide lubrication. Causes include allergies ...

Post-nasal drip occurs when extra mucus drains down your throat, causing a sore throat and cough. You can treat post-nasal drip with home remedies.

The best way to fix postnasal drip is to find out what's causing it. If your cough lasts longer than 8 weeks, talk to your doctor. They may give you medicine or another treatment you can take at home.

Causes of a dry cough at night include acid reflux, asthma, COPD, or postnasal drip. Antibiotics, antihistamines, and trigger avoidance can help.

And, if you develop post-nasal drip—when the mucus hanging out in your sinuses trickles down the back of your throat—that can also cause a cough, Dr. Bassett says.