Bronchitis is an infection of the tubes that lead to the lungs. It can be acute or chronic. Symptoms include a cough and wheezing. Smoking is a major risk factor. Find out more.

Chronic bronchitis causes inflammation in your lungs’ airways. Emphysema damages the walls of air sacs, or alveoli, deep in your lungs, making it difficult to breathe.

Bronchitis causes inflammation of the bronchial tubes, which are airways in the lungs. Symptoms, such as coughing and wheezing, can be acute or chronic.

Bronchitis can lead to pneumonia if you don’t seek treatment. If bronchitis is left untreated, the infection can travel from the airways into the lungs. That can lead to pneumonia. Bronchitis is ...

Learn how to know if you have bronchitis vs. pneumonia, what the symptoms look like, how to treat them, and ways to prevent both illnesses.

Other symptoms of bronchitis include chest pain, breathlessness, a sore throat, a runny nose, and a high temperature, according to Asthma + Lung UK. “Bronchitis can be short-term (acute) and ...

Bronchitis can lead to pneumonia, which is a deeper and far more serious infection of the lungs’ air sacs. Pneumonia can develop in part of one lung or an entire lung or both lungs.

Bronchitis can lead to pneumonia, which is a deeper and far more serious infection of the lungs’ air sacs. Pneumonia can develop in part of one lung or an entire lung or both lungs.

The Vatican says Pope Francis has developed pneumonia in both his lungs, after new tests showed a further complication in the condition of the 88-year-old pope.