
Signs of worsening disease
How to recognize MAC lung disease progression
A change in your symptoms could mean your MAC lung disease is getting worse
Even small changes in your symptoms like feeling more short of breath, coughing more, unexpected weight loss, and feeling more tired may point to MAC lung disease getting worse over time.
If these changes in symptoms are making it harder to do your daily activities, like carrying groceries or meeting with friends, ask your doctor if there’s something else you can do to keep your symptoms from getting worse.
A chronic cough that you can’t get rid of, like a “coughing fit” or a cough that comes and goes.
When everyday activities, like walking your dog or climbing stairs, leave you short of breath, wheezing, or feeling tightness in your chest more often.
Feeling tired or exhausted more often, making it hard to do daily activities.
Sudden, unexplained weight loss and/or loss of appetite.
Living with MAC lung disease and COPD or bronchiectasis
The symptoms of MAC lung disease and other lung conditions, like or , can be very similar. If you notice any changes in your symptoms, talk to your doctor to see if they may be due to MAC lung disease progression.

MAC lung disease progression may mean more than just worsening symptoms—sometimes it can also affect your lung health
See how MAC lung disease can affect the lungs