A higher-than-normal amount of phlegm can build up in your nose, throat, and lungs when you are sick. This build-up may cause coughing and discomfort. Bloody, brown, white, yellow, or green phlegm ...
Judith Voynow, a pediatric pulmonologist at the Children’s Hospital of Richmond at VCU in Virginia. The result is a stuffy nose, phlegmy throat or blocked airway. The feeling of built-up mucus can ...
Phlegm can build up at the back of your throat when you lie down in bed and trigger coughing at night. “The most common cause of this is an upper respiratory tract infection such as colds or flu ...
A persistent cough can cause a sore throat, whether caused by COVID-19 or allergies. The leading cause of sore throats caused by allergies is postnasal drip, which is nasal discharge that runs down ...