Medically reviewed by Susan Russell, MD Key Takeaways Coughing up white mucus can be a sign of an upper respiratory infection or chronic conditions like COPD. Viral infections that cause white mucus ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

Mucus isn't exactly something people give much thought to — until they're sick and dealing with a constantly runny nose. But mucus is actually an important part of a healthy immune system, according ...

In the later stages of COVID-19, various breathing and positioning exercises, medications, and other home remedies can help clear the mucus or phlegm associated with a productive cough or wet cough. A ...

Coughs from different illnesses have specific sounds that can help make a diagnosis. Learn about the sounds of a bronchitis cough. Share on Pinterest arto_canon/Getty Images When a healthcare ...

A cough, while common, can signal various underlying conditions ranging from minor irritations to serious health concerns. Dr. Fady Youssef, a board-certified pulmonologist, explains that ...

Coughing is more than a minor annoyance; it can reveal important clues about your health. According to a study published in PLOS One, understanding whether your cough is dry, wet, or wheezing helps ...

When it comes to respiratory health, a cough serves as the body’s primary alert system, protecting airways from harmful substances and clearing unwanted material. Yet for millions of Americans, this ...

It can be hard to decipher when you or your children are suffering from allergies or something more serious. When should you go to the doctor? When should you take medicine, and what should you take?