Coughing up clear, bubbly phlegm may be normal. However, in some cases, it can signify an underlying health issue. Learn more here.

If you’re coughing up light-colored or clear mucus, it might indicate that you’re dealing with allergies or that you have a minor infection in your respiratory tract.

Coughing up white mucus or phlegm can indicate several conditions, including asthma, bronchitis, and chronic obstructive pulmonary disease (COPD). In some cases, a person may need to see a doctor.

Medically reviewed by Susan Russell, MD Coughing up white mucus can mean you have congestion with a respiratory infection such as bronchitis, or it can be a symptom of long-term health issues like ...

Coughing up white or clear phlegm balls can be a symptom of many conditions. It usually doesn't signify a serious condition unless you have other symptoms.

Coughing up mucus helps you clear infections and get rid of irritants and allergens from your body. With certain diseases like cystic fibrosis, coughing up mucus is necessary and treatments ...

DEAR DR. ROACH: I am an 103-year-old woman with a medical problem that I hope you can help me with. I cough up a lot of mucus every day, which is clear with no discoloration. The cough can start ...

Regular mucus tends to be thin and slippery, and it is generally a constant presence on a day-to-day basis. Meanwhile, phlegm ...

Doctors explain how to get rid of phlegm in your throat, and know what's causing it so you can keep from having to clear phlegm again and again.

By loosening up the mucus, expectorants make your cough more productive—making it easier for you to cough up mucus effectively and clear your chest congestion.

In contrast, expectorants lubricate your airway, which helps loosen up the mucus and make the secretions in your airway thinner. By loosening up the mucus, expectorants make your cough more productive ...