Clear, bubbly phlegm does not typically indicate a problem. However, coughing up large amounts could indicate an underlying health issue, such as fluid in the lungs. Phlegm, or sputum, is a type of ...

The estimated global prevalence of chronic cough (CC) is close to 10%; however, this is likely higher, as many epidemiologic surveys do not adequately capture symptoms or diagnoses of CC. There is a ...

Huff coughing, or huffing, is a breathing technique that helps move mucus out of the lungs. It can clear the lungs and help prevent infection in people with conditions such as chronic obstructive ...

Chronic coughing is a common symptom of lung cancer. If you have a chronic cough and don't know why, see your doctor. (Photo Credit: E+/Getty Images) A cough that never goes away or gets worse over ...

Coughing up a large amount of bright red blood is an emergency and needs immediate medical attention. Treatment may include medications, intubation, or surgery, depending on the cause. Contact a ...

Aspiration is a common cause of coughing after eating, when you inhale something into your windpipe. Treatment for coughing after eating typically includes dietary changes and medications. Eating ...

Whooping cough, medically known as pertussis, is a highly contagious bacterial infection that affects the airways. It gets its common name from the “whoop” sound that some infected children make when ...