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.

Feeling tired or exhausted is common, as your body fights inflammation and struggles to breathe properly due to restricted airways.

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

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 ...

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