Here's what causes bronchitis, how the illness usually spreads and how you can treat symptoms if it affects you or a loved ...

Phlegm might seem like an everyday nuisance, but it can serve as a critical indicator of your body’s respiratory and systemic ...

Phlegm, which the lungs produce, is very similar to mucus and may also indicate a health issue. A person will often cough up phlegm when viruses, bacteria, or unwanted — possibly cancerous ...

Your cough can taste bad for many reasons. When a metallic taste is paired with coughing, you may have an upper respiratory infection like a cold. This can cause your phlegm to contain traces of ...

Bronchitis refers to inflammation in the small airways in the lungs. When the airways get inflamed, they produce mucus. Mucus helps the body flush out what it thinks is an infection, but it can ...

“Without timely intervention, patients risk developing conditions such as bronchitis or pneumonia, where mucus build-up can impair lung function,” he adds. Mucolytics, a group of ...

Pope Francis was in critical condition Monday after suffering double pneumonia, but he was battling bronchitis before that.

Bronchitis is a respiratory illness that occurs when the airways leading into your lungs get irritated, Nagata explains, which leads to the swelling and mucus buildup that causes difficulty breathing.